Baseline characteristics of patients by serum CRP level.

aData of EBV-DNA copy number were available for 81 patients and the median value was 5,050 copies/ml.Abbreviations: CRP: C-reactive protein; ECOG PS: Eastern Cooperative Oncology Group performance status; LDH: lactate dehydrogenase; LN: lymph node; EBV-DNA: Epstein–Barr virus-DNA; UNKTL: upper aerodigestive tract NK/T-cell lymphoma; EUNKTL: extra-upper aerodigestive tract NK/T-cell lymphoma; IPI: International Prognostic Index; KPI: Korean Prognostic Index.81例患者的EB病毒-DNA（Epstein–Barr virus-DNA）拷贝数数据可及，其中位值为5050拷贝/毫升。 缩写说明：CRP：C反应蛋白（C-reactive protein）；ECOG PS：东部肿瘤协作组体能状态评分（Eastern Cooperative Oncology Group performance status）；LDH：乳酸脱氢酶（lactate dehydrogenase）；LN：淋巴结（lymph node）；EBV-DNA：EB病毒-DNA（Epstein–Barr virus-DNA）；UNKTL：上呼吸消化道NK/T细胞淋巴瘤（upper aerodigestive tract NK/T-cell lymphoma）；EUNKTL：结外上呼吸消化道NK/T细胞淋巴瘤（extra-upper aerodigestive tract NK/T-cell lymphoma）；IPI：国际预后指数（International Prognostic Index）；KPI：韩国预后指数（Korean Prognostic Index）。