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Table 2 Single factor analysis comparison among symptomatic rectocele (Group 1 n = 29), asymptomatic rectocele (Group 2 n = 39) and without rectocele (Group 3 n = 149)

From: Rectal–vaginal pressure gradient in patients with pelvic organ prolapse and symptomatic rectocele

  Symptomatic rectocele Asymptomatic rectocele Without rectocele
Age (year, mean ± SD) 60.2 ± 9.19 59.3 ± 8.39 54.9 ± 9.35
Menupose (n, %) 22 (75.9%) 31 (79.5%) 103 (69.1%)
BMI (kg/m2, mean ± SD) 25.2 ± 2.25 26.1 ± 5.04 25.5 ± 4.47
Parity (mid, min–max) 2 (1–4) 2 (1–6) 2 (0–4)
Forceps delivery (n, %) 2 (6.9%) 2 (5.1%) 6 (4.0%)
History of hysterectomy (n, %) 5 (17.2%) 9 (23.1%) 18 (12.1%)
Cesarean section (n, %) 2 (6.9%) 5 (12.8%) 9 (6.0%)
Stage III/IV anterior prolapse (n, %) 13 (44.8%) 19 (48.7%) 85 (57.0%)
Stage III/IV apical prolapse (n, %) 8 (27.6%) 19 (48.7%) 96 (64.4%)φ
Ampulla depth (cm, mean ± SD) 2.3 ± 0.5 1.6 ± 0.3 /
ODS score (mean ± SD) 8.96 ± 2.83§ 2.46 ± 0.82 1.99 ± 1.05
Vaginal pressure (mean ± SD) 43.4 ± 2.2§ 66.0 ± 8.36 71.5 ± 9.20
Rectal pressure (mean ± SD) 80.7 ± 9.3 82.0 ± 10.0 88.5 ± 10.9
Rectal–vaginal pressure interval (mean ± SD) 37.2 ± 15.3§ 16.9 ± 7.4 17.0 ± 7.7
  1. Group 3 showed significant difference compare to Group 1 and Group 2, p < 0.01
  2. φStage of apical prolapse showed significant difference among three group, p < 0.001
  3. §Group 1 showed significant difference compare to Group 2 and Group 3, p < 0.001