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Table 4 Patient related factors and their effect on postoperative outcome in OHS day surgery

From: Root causes of extended length of stay and unplanned readmissions after orthopedic surgery and hand surgery: a retrospective observational cohort study

Factor No. Of patients n (%) of outcomes P-value
Gender 542   0.043
 Male 217 9 (4.1)  
 Female 325 28 (8.6)  
Age (years) 542   0.465
 16–44 153 9 (5.9)  
 45–64 292 20 (6.8)  
 65–74 68 4 (5.9)  
 75+ 29 4 (13.8)  
BMI (kg/m2) 542   0.422
 < 20 29 1(3.4)  
 20–24.9 183 8 (4.4)  
 25–29.9 176 16 (9.1)  
 30.0–34.9 102 9 (8.8)  
 35–39.9 32 1 (3.1)  
 40–44.9 16 2 (12.5)  
 45–49.9 3 0 (0)  
 50–54.9 1 0 (0)  
ASA class 539   0.226
 1 176 9 (5.1)  
 2 228 13 (5.7)  
 3–4 135 13 (9.6)  
Cardiovascular disease 542   0.96
 yes 203 14 (6.9)  
 no 339 23 (6.8)  
Anticoagulant 541   0.683
 no 525 36 (6.9)  
 warfarin 8 1 (12.5)  
 aspirin 6 0 (0)  
 NOAC 2 0 (0)  
Diabetes 542   0.17
 yes 61 7 (11.5)  
 no 481 30 (6.2)  
Pulmonary disease 542   0.413
 yes 60 2 (3.3)  
 no 482 35 (7.3)  
Sleep apnea 542   0.386
 yes 20 0 (0)  
 no 522 37 (7.1)  
Migraine/headache 542   0.576
 yes 12 1 (8.3)  
 no 530 36 (6.8)  
Psychiatric condition 542   0.512
 yes 41 4 (9.8)  
 no 501 33 (6.6)  
Meniere/vertigo 542   1
 yes 3 0 (0)  
 no 539 37 (6.9)  
Immunosuppression 542   0.639
 yes 20 2 (10.0)  
 no 522 35 (6.7)  
Other underlying medical condition 542   0.837
 yes 118 7 (5.9)  
 no 424 30 (7.1)  
Smoking status 534   0.549
 no 378 22 (5.8)  
 yes 140 12 (8.6)  
 quit 12 1 (8.3)  
 sometimes 4 0 (0)  
  1. BMI Body mass index, ASA American Society of Anesthesiologists, NOAC Novel oral anticoagulant