Data files describing the relationship between body mass index and adverse perinatal outcomes in parturient receiving regional labor analgesia.

This metadata record consists of ten .jpg files, two .pdf files, four .txt files, one .docx file and one .xlsx file.
File Figure-1Gribel.pdf is a flowchart showing the study design including the number of patients who participated in the study and BMI and related factors associated with adverse maternal-fetal outcomes in pregnant women under regional labor analgesia.

File Figure-2Gribel.pdf, is a dispersion diagram showing the association between the the hospitalization time of patients and their BMI.
File Figure 3 x age.jpg, is a dispersion diagram showing the relationship between the BMI and the age of patients.

File Fig 4 bmi x asa.jpg, is a boxplot diagram showing the association between the BMI of the patients and the American Society of Anesthesiology (ASA) physical statusclassification rating.
File Fig 5 bmi x fetal weight.jpg, is a dispersion diagram showing the association between the BMI of patients and fetal weight.

File Fig 6 bmi x weight gain.jpg, is a boxplot diagram showing the relationship between the BMI and the weight gain of patients during pregnancy. Weight gain was classified as ≤ adequate or > appropriate.
File Fig 7 bmi x systemic desease.jpg, is a boxplot diagram showing the relationship between the BMI of patients and the occurrence of systemic diseases.

File Fig 8 bmi x partoinduced labor.jpg, is a boxplot diagram showing the association between the BMI of patients and induced labor.

File Fig 9 bmi x primiparity.jpg, is a boxplot diagram showing the association between the BMI of patients and the incidence of primiparity.

File Fig 10 bmi x episiotomy.jpg, is a boxplot diagram showing the association between the BMI of patients and episiotomy occurrence.
File Fig 11 bmi x delivery.jpg, is a boxplot diagram showing the relationship between the BMI of patients and the type of delivery method (cesarean section, operative delivery, vaginal delivery) used.

File Fig 12 bmi x types of analgesia.jpg, is a boxplot diagram showing the relationship between the body mass index (BMI) of patients and the type of analgesia (epidural, subarachnoid and combined analgesia) they received.
File Supplementary Dataset 1.xlsx describes the outcome variables of patients who received regional analgesia. The table consists of 36 columns and 36 measured parameters. These are: time of Hospitalisation (in days), hospitalisation>4 days (0: hospitalisation did not exceed 4 days, 1: hospitalisation was longer than 4 days), Age, Primiparity (0: woman is not primiparous, 1: woman is primiparous), Gestational age (in days), Labor induction (0: spontaneous labor, 1: induced labor), Type of delivery (1: vaginal delivery, 2: cesarean section, 3: forceps), Cesarean sec (0: no cesarean section performed, 1: cesarean section was performed), Episiotomy (0: episiotomy was not performed, 1: episiotomy was performed), Laceration 3rd (third degree laceration, 0: no third degree laceration, 1-3: increasing severity of third degree laceration), Macrosomia (0: no evidence of macrosomia, 1: macrosomia present), Fetal weight (in grams), Apgar (Apgar Index at the 5th minute, a score of 7-10 is considered normal), Meconium (presence of meconium in the amniotic fluid, 0: no meconium present, 1: meconium present in amniotic fluid), NEOICU (Admission of the newborn baby to the neonatal intensive care unit, 0: no admission to the NEOICU, 1: admission to the NEOICU), NEOICUTIME (time, in days spent at the NEOICU), ASA (American Society of Anesthesiology, physical status classification score, 1: healthy person, 2: mild systemic disease, 3: severe systemic disease), Obesity (0: no obesity, 1: patient is classified as obese), BMI (Body mass index), Weight gain>adequate (0: weight gain not greater than adequate, 1: weight gain greater than adequate), Analgesia (type of regional labor analgesia, 1: combined, 2: epidural, 3: subarachnoid), Analgesia time (interval between analgesia installation and end of 3rd stage of labor, in minutes), Vasopressor (0: no use of vasopressor, 1: use of vasopressor), Uterine hypotonia (0:absence of uterine hypotonia, 1: presence of uterine hypotonia), Headache (0: absence of headache, 1: presence of headache), Failure (failure of anesthesia, 0: no failure of anesthesia, 1: failure of anesthesia), Accidental puncture (puncture accident during anesthesia, 0: no puncture accident, 1: occurrence of puncture accident during anesthesia), Transfusion (blood transfusion in the third stage of labor, 0: no blood transfusion was performed, 1: blood transfusion performed), Birth injury (neonatal birth injury, 0: no birth injury, 1: birth injury present), Systemic disease (0: absence of systemic disease, 1: presence of systemic disease), Companion (0: absence of companion during labor, 1: presence of companion during labor), Non- pharmacological methods number (number of non-pharmacological methods used to manage pain during labor), Breastfeed (breastfeeding in the first hour after birth, 0: no breastfeeding, 1: breastfeeding), Oxytocin (use of oxytocin to modulate contractility in patients under regional anesthesia, 0: no use of oxytocin, 1: use of oxytocin).
File Legends.docx, provides a description of the data files in this metadata record.
File Results27042017.txt is the output of R analysis describing BMI and main study variables association tests.
File Results15052017.txt is the output of R analysis describing BMI and numerical variables of study correlation tests, BMI and categorical variables of study associations tests and BMI and significative variables linear regression.
File Results01062017.txt is the output of R analysis describing univariate and multivariate logistic regression model tests: Factors associated with long hospitalisation.
File Results27112017.txt is the output of R analysis describing the association between BMI and Apgar<7 on the 5th min and Long hospitalisation time and Apgar<7 on the 5th min tests. The Apgar Score relates to fetal data and is a method to quickly summarise the health of newborn children against infant mortality. Apgar stands for "Appearance, Pulse, Grimace, Activity, and Respiration". All the figures were generated from the data described in Results27112017.txt.
The aim of this retrospective cohort study was to analyse the influence of BMI, demographic, obstetric and anesthesia-associated factors on adverse maternal-fetal outcomes in pregnant women under regional labor analgesia. For example identifying the relationship between BMI and the occurrence of systemic diseases in parturient women receiving regional labor analgesia can help health care organisations to improve the assistance provided for these women during their hospitalisation.
The study was conducted from November 2012 to May 2016 in the Maternity School Hospital, Federal University of Rio de Janeiro. A total of 685 patients participated in the study. Data presented in the related article were collected from charts of pregnant women who were evaluated during hospital admission (with a single fetus aged above 36 weeks) and who reached the labor active phase either spontaneously or by induction. This informational was dated by the first trimester ultrasound, in which the child was in the longitudinal position, without malformation and with good vitality. The pregnant women who received complete prenatal care and those who were attended in their preanesthetic visit (classified as II or III as recommended) were included and subjected to regional labor analgesia during labor.
Anthropometric data (such as pregestational BMI and ages), clinical data (such as intercurrent systemic diseases like diabetes, and the ASA classification), obstetric history data (such as parity and gestational age) and intrapartum obsteric interventions data (such as induction of labor and intrapartum use of oxytocin) were collected for each patient. The patients underwent regional anesthesia. Regional analgestic techniques used in this study were as follows: continuous (epidural or combined) or simple subarachnoid anesthesia.
The outcome variables were divided into three groups: maternal data (such as type of delivery and maternal hospitalisation time in days), fetal data (such as breastfeeding in the first hour of life and neonatal birth injury) and anesthetic data (such as time of analgesia and anesthetic complications.
The data collected were organised in Microsoft Excel spreadsheets and statistical analysis was performed using the R Core Team 2016 program. The data obtained were processed for descriptive statistical analysis of association and regression.

本元数据记录包含10个JPEG（.jpg）文件、2个PDF（.pdf）文件、4个TXT（.txt）文件、1个DOCX文件以及1个XLSX文件。
《Figure-1Gribel.pdf》为研究设计流程图，展示了本研究纳入的受试者人数，以及区域分娩镇痛孕妇中与母婴不良结局相关的体重指数（Body Mass Index, BMI）及相关因素。
《Figure-2Gribel.pdf》为散点图，展示了患者住院时长与BMI的相关性。
《Figure 3 x age.jpg》为散点图，展示了患者BMI与年龄的相关性。
《Fig 4 bmi x asa.jpg》为箱线图，展示了患者BMI与美国麻醉医师学会（American Society of Anesthesiology, ASA）身体状况分级评分的相关性。
《Fig 5 bmi x fetal weight.jpg》为散点图，展示了患者BMI与胎儿体重的相关性。
《Fig 6 bmi x weight gain.jpg》为箱线图，展示了患者BMI与妊娠期体重增长的相关性，其中体重增长分为≤适宜体重增长与＞适宜体重增长两类。
《Fig 7 bmi x systemic desease.jpg》为箱线图，展示了患者BMI与全身性疾病发生情况的相关性。
《Fig 8 bmi x partoinduced labor.jpg》为箱线图，展示了患者BMI与引产的相关性。
《Fig 9 bmi x primiparity.jpg》为箱线图，展示了患者BMI与初产发生率的相关性。
《Fig 10 bmi x episiotomy.jpg》为箱线图，展示了患者BMI与会阴切开术实施情况的相关性。
《Fig 11 bmi x delivery.jpg》为箱线图，展示了患者BMI与分娩方式（剖宫产、助产分娩、阴道分娩）的相关性。
《Fig 12 bmi x types of analgesia.jpg》为箱线图，展示了患者体重指数（BMI）与所接受的镇痛方式（硬膜外镇痛、蛛网膜下腔镇痛及联合镇痛）的相关性。
《Supplementary Dataset 1.xlsx》记录了接受区域分娩镇痛患者的结局变量，该表格包含36列与36项测量参数，具体如下：住院时长（单位：天）、住院时长＞4天（0：住院时长未超过4天，1：住院时长超过4天）、年龄、初产情况（0：非初产妇，1：初产妇）、胎龄（单位：天）、引产情况（0：自然分娩，1：引产）、分娩方式（1：阴道分娩，2：剖宫产，3：产钳助产）、剖宫产实施情况（0：未实施剖宫产，1：实施剖宫产）、会阴切开术（0：未实施会阴切开术，1：实施会阴切开术）、Ⅲ度会阴裂伤（0：无Ⅲ度会阴裂伤，1~3：Ⅲ度会阴裂伤严重程度递增）、巨大儿（0：无巨大儿证据，1：存在巨大儿）、胎儿体重（单位：克）、Apgar评分（出生第5分钟Apgar指数，7~10分为正常）、羊水胎粪污染（0：羊水无胎粪，1：羊水存在胎粪）、新生儿重症监护病房（Neonatal Intensive Care Unit, NEOICU）收治情况（0：未收治至NEOICU，1：收治至NEOICU）、NEOICU停留时长（单位：天）、ASA身体状况分级评分（1：健康个体，2：轻度全身性疾病，3：重度全身性疾病）、肥胖情况（0：无肥胖，1：患者被归类为肥胖）、BMI、体重增长＞适宜值（0：体重增长未超过适宜值，1：体重增长超过适宜值）、镇痛方式（1：联合镇痛，2：硬膜外镇痛，3：蛛网膜下腔镇痛）、镇痛时长（镇痛实施至第三产程结束的间隔时长，单位：分钟）、血管升压药使用情况（0：未使用血管升压药，1：使用血管升压药）、子宫张力低下（0：无子宫张力低下，1：存在子宫张力低下）、头痛（0：无头痛，1：存在头痛）、麻醉失败（0：麻醉无失败，1：麻醉失败）、穿刺意外（0：麻醉过程中无穿刺意外，1：麻醉过程中发生穿刺意外）、输血（第三产程输血情况，0：未实施输血，1：实施输血）、新生儿产伤（0：无新生儿产伤，1：存在新生儿产伤）、全身性疾病（0：无全身性疾病，1：存在全身性疾病）、分娩时陪护情况（0：分娩时无陪护，1：分娩时存在陪护）、非药物镇痛方法使用数量（分娩期间用于镇痛的非药物镇痛方法数量）、产后1小时母乳喂养情况（0：未进行母乳喂养，1：进行母乳喂养）、催产素使用情况（0：未使用催产素调节宫缩，1：使用催产素调节宫缩）。
《Legends.docx》用于说明本元数据记录中各数据文件的含义。
《Results27042017.txt》为R语言分析输出文件，描述了BMI与本研究主要变量的相关性检验结果。
《Results15052017.txt》为R语言分析输出文件，包含BMI与研究数值型变量的相关性检验、BMI与研究分类变量的关联性检验，以及BMI与具有统计学意义变量的线性回归分析结果。
《Results01062017.txt》为R语言分析输出文件，描述了单因素与多因素logistic回归模型检验结果，即与长时间住院相关的影响因素。
《Results27112017.txt》为R语言分析输出文件，描述了BMI与出生第5分钟Apgar评分＜7分的相关性、长时间住院时长与出生第5分钟Apgar评分＜7分的相关性检验结果。Apgar评分与胎儿数据相关，是快速评估新生儿健康状况以判断婴儿死亡率的方法，其全称代表“外观（Appearance）、脉搏（Pulse）、皱眉反射（Grimace）、活动度（Activity）及呼吸（Respiration）”。本研究所有图表均基于《Results27112017.txt》中的数据生成。
本回顾性队列研究旨在分析区域分娩镇痛孕妇中，BMI、人口学特征、产科及麻醉相关因素对母婴不良结局的影响。例如，明确接受区域分娩镇痛的产妇BMI与全身性疾病发生情况的关联，可帮助医疗机构优化此类产妇住院期间的照护服务。
本研究于2012年11月至2016年5月在里约热内卢联邦大学妇产学校医院（Maternity School Hospital, Federal University of Rio de Janeiro）开展，共纳入685名受试者。相关论文中的数据来源于住院评估时的孕妇病历，纳入标准为单胎妊娠、孕周＞36周，且进入活跃分娩期，无论自然临产或引产；该信息通过早孕期超声确认，此时胎儿为纵位、无畸形且生命体征良好。本研究纳入接受完整产前检查、并在麻醉术前评估中被归类为ASA分级Ⅱ或Ⅲ级的孕妇，且在分娩期间接受区域分娩镇痛。
研究收集了每名患者的人体测量学数据（如孕前BMI与年龄）、临床数据（如合并全身性疾病如糖尿病，以及ASA分级）、产科病史数据（如产次与胎龄），以及分娩期产科干预数据（如引产与分娩期催产素使用情况）。所有患者均接受区域麻醉，本研究使用的区域镇痛技术包括：持续硬膜外镇痛或联合镇痛，以及单次蛛网膜下腔麻醉。
结局变量分为三类：产妇相关数据（如分娩方式与产妇住院时长，单位：天）、胎儿相关数据（如产后1小时母乳喂养情况与新生儿产伤），以及麻醉相关数据（如镇痛时长与麻醉并发症）。
研究数据通过Microsoft Excel电子表格整理，并使用R Core Team 2016软件完成统计分析，所得数据经处理后用于相关性与回归的描述性统计分析。