Research Article
Short Term Outcomes of Open and Minimally Invasive Approaches to Segmental Colectomy for Benign Colovesical Fistula
Table 1
Demographics and clinical characteristics of patient population of the study by surgical approach.
| Variables | Minimally invasive approach = 544 | Open approach = 204 | values |
| Age | Age more than 70 years | 150 (27.8%) | 60 (29.4%) | 0.65 | Sex | Female | 183 (33.6%) | 88 (43.1%) | 0.01 | Race | White | 436 (87.6%) | 150 (82%) | 0.04 | Black or African American | 43 (8.6%) | 19 (10.4%) | 0.04 | Asian | 11 (2.2%) | 11 (6%) | 0.01 | Other | 8 (1.6%) | 3 (1.6%) | 0.98 | Comorbidity | Diabetes mellitus | 88 (16.2%) | 24 (11.8%) | 0.13 | Weight loss | 14 (2.6%) | 17 (8.3%) | <0.01 | Congestive heart failure | 4 (0.7%) | 3 (1.5%) | 0.35 | Chronic steroid use | 40 (7.4%) | 13 (6.4%) | 0.64 | Chronic obstructive pulmonary disease | 37 (6.8%) | 25 (12.3%) | 0.01 | Smoking | 102 (18.8%) | 54 (26.5%) | 0.02 | Moderate or severe dyspnea | 36 (6.6%) | 16 (7.8%) | 0.55 | Renal failure on dialysis | 2 (0.4%) | 4 (2%) | 0.03 | Hypertension | 310 (57%) | 112 (54.9%) | 0.60 | Body mass index | <30 | 329 (60.7%) | 116 (57.4%) | 0.03 | 30–39.9 | 109 (20.1%) | 38 (18.8%) | 0.03 | ≥40 | 104 (19.2%) | 48 (23.8%) | 0.01 | Other factors | Mean operation length | 225 min | 201 min | <0.01 | Preoperative sepsis | 6 (1.1%) | 7 (3.4%) | 0.03 | Mechanical bowel preparation | 366 (78.7%) | 112 (70.4%) | 0.03 | Chemical bowel preparation | 258 (53.1%) | 85 (49.4%) | 0.40 | Preoperative leukocytosis > 10,000 mm3 | 108 (21.3%) | 41 (21.2%) | 0.98 | ASAscore more than two | 295 (54.2%) | 120 (58.8%) | 0.26 | Serum albumin level less than 3.5 g/dL | 53 (16.8%) | 39 (30.5%) | <0.01 |
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The American Society of Anesthesiologists score. |