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Preoperative variables | HVBH n = 514 Weighted n = 2570 | LVBH n = 1130 Weighted n = 5650 | value unadjusted | | |
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Age (years, mean ± SE) | 54.8 ± 0.5 | 55.89 ± 0.4 | 0.08 | | |
Length of stay (days, mean ± SE) | 5.1 ± 0.3 | 5.8 ± 0.3 | 0.17 | | |
Median household income quartile for zip code | 2.3 ± 0.05 | 2.3 ± 0.03 | 0.80 | | |
Gender, female (%± SE) | 72.2 ± 2.2 | 71.7 ± 1.4 | 0.87 | | |
Renal failure (%± SE) | 0.39 ± 0.28 | 1.06 ± 0.30 | 0.17 | | |
Hypertension (%± SE) | 57.4 ± 2.1 | 55.3 ± 1.5 | 0.42 | | |
Chronic obstructive pulmonary dis. (%± SE) | 13.0 ± 1.4 | 13.5 ± 1.0 | 0.77 | | |
Diabetes mellitus type 2 (%± SE) | 10.9 ± 1.4 | 11.2 ± 1.0 | 0.88 | | |
Anemia (%± SE) | 0.58 ± 0.34 | 0.97 ± 0.28 | 0.42 | | |
Gastroesophageal reflux disease (%± SE) | 35.2 ± 2.3 | 29.6 ± 1.4 | 0.03 | | |
Chronic peptic ulcer disease (%± SE) | 1.56 ± 0.59 | 0.44 ± 0.20 | 0.02 | | |
Heart failure (%± SE) | 5.8 ± 1.0 | 6.2 ± 0.7 | 0.78 | | |
Hypothyroidism (%± SE) | 15.0 ± 1.5 | 14.7 ± 1.0 | 0.87 | | |
History of venous thromboembolism (%± SE) | 6.4 ± 1.1 | 4.3 ± 0.6 | 0.07 | | |
History of pulmonary embolism (%± SE) | 6.4 ± 1.0 | 2.7 ± 0.5 | 0.0003 | | |
Nicotine dependence (%± SE) | 25.7 ± 2.0 | 18.9 ± 1.1 | 0.002 | | |
Obstructive sleep apnea (%± SE) | 38.5 ± 2.2 | 30.1 ± 1.3 | 0.001 | | |
Ventral hernia volume (cases/hospital ± SE) | 22.4 ± 2.2 | 13.2 ± 0.6 | <0.0001 | | |
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Postprocedure complications | HVBH | LVBH | value unadjusted | ATE (95% CI) | value adjusted |
Shock (%± SE) | 0.97 ± 0.63 | 0.27 ± 0.15 | 0.11 | — | — |
Bowel obstruction (%± SE) | 3.3 ± 0.9 | 4.5 ± 0.6 | 0.28 | −1.08 (−3.03/0.88) | 0.30 |
Enterotomy (%± SE) | 1.17 ± 0.46 | 0.97 ± 0.28 | 0.71 | 0.12 (−0.93/1.17) | 0.82 |
GI bleed (%± SE) | 0.39 ± 0.27 | 0.53 ± 0.20 | 0.69 | — | — |
Pulmonary insufficiency (%± SE) | 0.78 ± 0.38 | 0.27 ± 0.15 | 0.13 | — | — |
Pulmonary failure (%± SE) | 1.6 ± 0.5 | 4.7 ± 0.7 | 0.002 | −3.80 (−5.55/−2.04) | <0.0001 |
Pneumonia (%± SE) | 0.78 ± 0.39 | 0.97 ± 0.29 | 0.70 | 0.01 (−1.06/1.07) | 0.99 |
Genitourinary complication (%± SE) | 0.19 ± 0.19 | 0.27 ± 0.15 | 0.79 | — | — |
Postoperative infection (%± SE) | 1.8 ± 0.6 | 2.5 ± 0.5 | 0.37 | −0.71 (−2.48/1.07) | 0.44 |
Wound complication (%± SE) | 0.58 ± 0.27 | 0.35 ± 0.18 | 0.45 | −0.35 (−1.84/1.14) | 0.64 |
Venous thromboembolism (%± SE) | 0.78 ± 0.38 | 0.44 ± 0.20 | 0.39 | — | — |
Pulmonary embolism (%± SE) | 1.17 ± 0.55 | 0.35 ± 0.17 | 0.06 | 0.77 (−0.47/2.00) | 0.22 |
“Other” complications (%± SE) | 0.19 ± 0.19 | 0.44 ± 0.20 | 0.44 | −0.39 (−1.12/0.34) | 0.29 |
Death (%± SE) | 0.58 ± 0.34 | 0.89 ± 0.28 | 0.52 | −4.91 (−8.68/−1.15) | 0.01 |
Patient had any complication (%± SE) | 12.3 ± 1.5 | 16.4 ± 1.1 | 0.03 | — | — |
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