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Table 1 Compaing preoperative demographic and clinical characteristics of the patients

From: Reproductive outcome of hysteroscopic metroplasty for women with T-shaped uterus: a retrospective study

  Congenital group Acquired group Total Test of significance P value
n 46 (41.4%) 65 (58.6%) 111   
Age (yrs) 31.4 ± 3.8 33.7 ± 4.4 32.7 ± 4.3 t = 2.839 0.005*
BMI (kg/m2) 22.0 ± 3.5 21.9 ± 2.9 21.9 ± 3.2 t = 0.068 0.946
Previously pregnant patients 13 (28.3%) 64 (98.5%) 77 (69.4%) χ2 = 62.475  < 0.001*
Previous pregnancies 13 132 145   
 Spontaneous miscarriage 9 (69.2%) 57 (43.2%) 66 χ2 = 3.238 0.072
 Live birth 3 (23.1%) 15 (11.4%) 18 χ2 = 0.610a 0.435
Hypomenorrhea 4 (8.7%) 28 (43.1%) 32 χ2 = 15.519  < 0.001*
Imaging diagnosis 8 35   χ2 = 15.084  < 0.001*
 HSG 5 (62.5%) 12 (34.3%)    
 Ultrasonography 3 (37.5%) 20 (57.1%)    
 HSG & ultrasonography 0 3 (8.6%)    
Infertility duration (month) 30.7 ± 19.7 31.5 ± 29.7   χ2 = 0.179 0.858
Patients with additional infertility factors 37 (80.4%) 56 (86.2%)   χ2 = 12.262b 0.006*c
 Ovulatory 1 0    
 Tubal 20 20    
 Unilateral 3 3    
 Bilateral 17 17    
Male 0 1    
Age 2 18    
Multiple 14 17    
  1. *P < 0.05, aYates's correction for continuity, bFisher's exact test, cComparing constituent ratio