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Table 1 Baseline patient characteristics and surgical outcomes of LH with and without endometriosis

From: Surgical outcomes of laparoscopic hysterectomy with concomitant endometriosis without bowel or bladder dissection: a cohort analysis to define a case-mix variable

  LH with endometriosis n = 397 LH without endometriosis n = 2258 p value
Patient characteristics
Age, years, mean ± SD 43.5 ± 7.7 49.8 ± 11.9 < .001
BMI, kg/m2, mean ± SD 27.9 ± 5.5 28.6 ± 6.4 .04
Uterine weight, gram, geometric mean; GSD* 149.31 ± 1.8 162.5 ± 2.1 < .001
Previous abdominal procedures, n (%)    < .001
 None 152 (38.3) 1290 (57.1)  
 One 124 (31.2) 592 (26.2)  
 Two 64 (16.1) 234 (10.4)  
  > Two 57 (14.4) 142 (6.3)  
Stage of endometriosis, n (%)
 Stage I 106 (26.7)  
 Stage II 103 (25.9)   
 Stage III 93 (23.4)   
 Stage IV 95 (23.9)   
Procedure type, n (%)    .03
 TLH 376 (94.7) 2036 (90.2)  
 SLH 13 (3.3) 109 (4.8)  
 LAVH 6 (1.5) 88 (3.9)  
 Robotic 2 (0.5) 25 (1.1)  
Surgical outcomes
Blood loss (ml), geometric mean; GSD* 80 ± 3.1 67 ± 3.4 ɸ
Operative time (min), geometric mean; GSD* 94 ± 1.5 91 ± 1.5 ɸ
Complications, n (%) 24 in 22 patients (5.5%) 175 in 153 patients (6.8%) ɸ
 Lesion    
 Bladder 3 (0.8) 27 (1.2)  
 Ureter 1 (0.3) 9 (0.4)  
 Vessel 1 (< 0.1)  
 Bowel 2 (0.5) 7 (0.3)  
 Hemorrhage 5 (1.3) 41 (1.8)  
  > 1000 mL intra-operative 5 (1.3) 13 (0.6)  
 Wound dehiscence 6 (0.3)  
 Thrombosis 3 (0.1)  
 Dysfunction ileus 2 (0.1)  
 Infections 1 (0.3) 50 (2.2)  
 Dysfunction incontinence 10 (0.4)  
 Other 2 (0.5) 11 (0.5)  
 Conversion 10 (2.5) 8 (0.4)  
Severity of complications, n (%)    .16
 Level A–recovery 18 (4.5) 113 (5.0)  
 Level B–reoperation 3 (0.8) 39 (1.7)  
 Level C–permanent injury 1 (0.3) 0  
 Level D–death 0 1 (< 0.1)  
  1. Data are presented as number (percentage) or as mean ± standard deviation or as geometric mean (GM) with geometric standard deviation (GSD)
  2. *Interpretation of the GSD: 95% of the data are expected to lie in the range of GM/(GSD)2 to GM*(GSD)2
  3. Statistics: independent t test for continuous data; Fisher’s test for categorical data; chi-square with trend for number of previous procedures
  4. ɸThis means that for every tenfold increase in uterine weight, blood loss and operative time increased by the stated percentages and odds of complication increased by the stated OR
  5. SD standard deviation, GSD geometric standard deviation, LH laparoscopic hysterectomy, TLH total laparoscopic hysterectomy, SLH supracervical laparoscopic hysterectomy, LAVH laparoscopic-assisted vaginal hysterectomy