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Table 3 The influence factors for all complications, urine retention, and delayed bleeding

From: Surgical Outcomes of LigaSure Hemorrhoidectomy in the Elderly Population: A retrospective cohort study

  All complications Urine retention Delayed bleeding
Odds ratio (95% CI) P value Odds ratio (95% CI) P value Odds ratio (95% CI) P value
Univariable analysis
Age of 65 years or more vs. age < 65 years 1.15 (0.65, 2.04) 0.631 3.17 (1.27, 7.90) 0.013* 0.59 (0.25, 1.39) 0.231
Male vs. female 1.55 (1.02, 2.34) 0.038* 2.18 (0.88, 5.38) 0.091 1.40 (0.86, 2.27) 0.176
Hemorrhoids grade IV vs. III 2.76 (1.83, 4.16)  < 0.001* 14.82 (4.36, 50.40)  < 0.001* 1.91 (1.18, 3.10) 0.009*
ASA grade I reference group   reference group   reference group  
ASA grade II 1.10 (0.71, 1.70) 0.670 2.35 (0.79, 7.02) 0.127 0.96 (0.58, 1.59) 0.867
ASA grade III When 0.151 6.67 (0.71, 63.14) 0.098 2.17 (0.47, 10.00) 0.322
Preoperative hemoglobin (g/dl) 0.98 (0.89, 1.07) 0.614 0.75 (0.65, 0.87)  < 0.001* 1.06 (0.94, 1.19) 0.368
Operation time (min) 1.04 (1.02, 1.06) 0.001* 1.08 (1.04, 1.12)  < 0.001* 1.02 (0.99, 1.04) 0.215
Postoperative pain score 1.26 (1.14, 1.40)  < 0.001* 1.54 (1.25, 1.88)  < 0.001* 1.13 (1.00, 1.28) 0.046*
Multivariable analysis
Age of 65 years or more vs. age < 65 years    3.54 (1.33, 9.42) 0.011*   
Male vs. female 1.51 (0.99, 2.29) 0.055 3.08 (1.18, 8.05) 0.022*   
Hemorrhoids grade IV vs. III 2.26 (1.47, 3.49)  < 0.001* 8.31 (2.32, 29.73) 0.001* 1.72 (1.03, 2.88) 0.037*
Preoperative hemoglobin (g/dl)    0.76 (0.66, 0.89)  < 0.001*   
Postoperative pain score 1.18 (1.06, 1.31) 0.003* 1.40 (1.09, 1.79) 0.008* 1.09 (0.95, 1.24) 0.224
  1. The analyses are performed using univariable and multivariable logistic regression models. *P < 0.05 indicates the association with the specified complication obtained statistically significant
  2. confidence interval (CI); American Society of Anesthesiologists (ASA)