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Table 1 Comparison of patient demographics between survivors and non-survivors

From: Association of serum chloride concentration with outcomes in postoperative critically ill patients: a retrospective observational study

Characteristics Survivors (n = 89) Non-survivors (n = 9) p value
Age, years (IQR) 73 (67, 80) 76 (72, 83) 0.19
Male, n (%) 57 (64) 6 (67) 0.88
Mechanical ventilation, n (%) 25 (28) 4 (44) 0.31
Operative duration, minute (IQR) 380 (265, 525) 435 (183, 670) 0.78
Blood loss, mL (IQR) 620 (375, 1,355) 500 (310, 3,900) 0.89
Thoracic surgery, n (%) 6 (7) 1 (11) 0.63
Abdominal surgery, n (%) 83 (93) 8 (89) 0.63
ICU stay, days (IQR) 4 (3, 6) 5 (3, 20) 0.24
APACHE II (IQR) 11 (9, 14) 14 (12, 20) 0.03
  1. ICU intensive care unit, APACHE Acute Physiology and Chronic Health Evaluation, IQR interquartile range.