Clinical and paraclinical features of 6975 illness episodes.

*only 1582 records with pulse oxymetry measured.**only 5644 records with Hb measured.* 仅包含1582条带有脉搏血氧饱和度（pulse oximetry）测量值的记录。 * 仅包含5644条带有血红蛋白（Hemoglobin，缩写Hb）测量值的记录。