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Table 4 POH and POPA rates according to the surgical procedural categories

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

Procedure Total POH POPA LOS
Open aortic 17 58.8% 29.4% 3.9
Cranial 55 41.8% 5.5% 4.9
Laparotomy 110 40.9% 11.8% 5.2
Neck 77 37.7% 2.6% 1.6
Spine 285 19.3% 3.5% 2.6
Extremity/pelvis 387 19.1% 2.1% 3.3
Laparoscopy 275 16.0% 2.9% 1.5
Miscellaneous 126 15.9% 1.6% 1.7
Face soft tissue 21 9.5% 0% 1.0
Breast 76 5.5% 0% 0.3
Oral 71 4.2% 1.4% 0.4
  1500 Mean = 20.6% Mean = 3.5% Mean = 2.5 days
  1. POH postoperative hypoxemia, POPA perioperative pulmonary aspiration, LOS postoperative length of stay