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Table 8 Postoperative length of stay (LOS) associations

From: Evaluation of operating room reverse Trendelenburg positioning and its effect on postoperative hypoxemia, aspiration, and length of stay: a retrospective study of consecutive patients

  LOS (days) R value p value
POH, no 2.0 ± 2.6   
POH, yes 4.6 ± 7.8   < 0.0001
Perioperative aspiration, no 2.3 ± 3.0   
Perioperative aspiration, yes 8.8 ± 6.7   < 0.0001
Time in operating room   (+) 0.25 < 0.0001
 < 150 min 2.1 ± 3.1   
 ≥ 150 min 3.5 ± 3.7   < 0.0001
Age   (+) 0.20 < 0.0001
 < 75 years 2.3 ± 3.1   
 ≥ 75 years 3.6 ± 4.5   < 0.0001
ASA classification   (+) 0.20 < 0.0001
 1 or 2 1.6 ± 2.1   
 3 or 4 2.8 ± 3.6   < 0.0001
Elective procedures 2.3 ± 3.2   
Emergency procedures 4.6 ± 4.6   < 0.0001
Glycopyrrolate on induction, no 2.7 ± 3.6   
Glycopyrrolate on induction, yes 1.9 ± 2.3   < 0.0001
Fluid input (L)   (+) 0.25 < 0.0001
 < 2.0 L 2.1 ± 3.1   
 ≥ 2.0 L 3.6 ± 3.8   < 0.0001
POH high risk, no 2.2 ± 3.0   
POH high risk, yes 4.0 ± 4.4   < 0.0001
  1. ASA American Society of Anesthesiologists, POH postoperative hypoxemia, high risk, open aortic, cranial, laparotomy, and non-spinal neck operative procedures