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Table 4 Univariate and multivariate analysis of risk factors for prolonged hospital stay

From: Risk factors for delayed perineal wound healing and its impact on prolonged hospital stay after abdominoperineal resection

VariablesHospital stay ≤ 14 days
n = 141 (%)
Hospital stay > 14 days
n = 88 (%)
PMultivariate
OR (95% CI)P
Age > 65 (years old)82 (58.2)58 (65.9)0.242  
Gender  0.976  
 Male90 (63.8)56 (63.6)   
 Female51 (36.2)32 (36.4)   
Comorbidity ≥ 171 (50.4)56 (63.6)0.0491.720 (0.937–3.158)0.080
Comorbidity ≥ 232 (22.7)26 (29.5)0.246  
Smoking     
 Previous35 (24.8)26 (29.5)0.432  
 Current23 (16.3)15 (17.0)0.885  
BMI (kg/m2)     
 Underweight (< 18.5)6 (4.3)3 (3.4)0.820  
 Overweight (> 25)51 (36.2)35 (39.8)0.464  
Neoadjuvant CCRT52 (36.9)24 (27.3)0.133  
Hypoalbuminemia19 (13.5)19 (21.6)0.108  
Pre-op CEA > 5 ng/mL45 (33.3)34 (39.1)0.383  
Resection of other pelvic organ18 (12.8)14 (15.9)0.505  
Laparoscopic operation19 (13.5)9 (10.2)0.466  
Operation time > 240 min70 (49.6)45 (51.1)0.826  
Blood loss > 250 ml57 (40.4)46 (52.3)0.0801.718 (0.942–3.134)0.078
Delayed perineal wound healing30 (21.3)56 (63.6)< 0.001*6.404 (3.508–11.694)< 0.001*
  1. CCRT concurrent chemoradiotherapy, BMI body mass index, CEA carcinoembryonic antigen