Additional file 1 of The role of ultrasonographic lung aeration score in the prediction of postoperative pulmonary complications: an observational study

Additional file 1. Dataset of the study. Categorical questions were marked with 1 (yes) or 0 (no). Abbreviations used in the table headers are explained as comments.

附加文件1：本研究的数据集。分类问题以1（是）或0（否）进行标注。表格表头中使用的缩写均在注释中予以说明。