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. 2022 Jan 20;42(1):137–142. [Article in Chinese] doi: 10.12122/j.issn.1673-4254.2022.01.17

2.

中国人群EMs发病相关因素的单因素分析

Factors associated with endometriosis in Chinese population[n(%)]

Factors Case group (n=101) Control group (n=50) Statisticsa P
a statistics: U, t, χ2 or Fisher value using Mann-Whitney U test, two independent sample t test, chi-square or Fisher exact probability method.
Age[M(P25, P75), year] 33.00 (29.00, 41.00) 35.00 (30.00, 40.75) 2831.000 0.226
Age of first symptoms[M(P25, P75), year] 30.83±7.83 32.86±7.51 1.517 0.131
Height(Mean±SD, cm) 160.00 (156.00, 163.50) 159.00 (153.25, 161.00) 1973.500 0.043
Weight[M(P25, P75), kg] 54.00 (49.25, 59.50) 55.00 (49.00, 60.75) 2600.500 0.613
BMI[M(P25, P75), kg/m2] 20.79 (19.45, 22.89) 21.50 (19.54, 24.18) 2708.500 0.295
Marital situation 0.571
  Single 19(18.81) 12(24.00)
  Married 80(79.21) 36(72.00)
  Divorced/separated 2(1.98) 2(4.00)
Partner 0.037 0.847
  No 13(12.87) 7 (14.00)
  Yes 88(87.13) 43(86.00)
Occupation 0.124 0.940
  Be employed 30(29.70) 16(32.00)
  Self-employed 37(36.63) 17(34.00)
  Be unemployed 34(33.66) 17(34.00)
Cause of this gynecological operation
  Chronic pelvic pain 7(6.93) 3(6.00) 0.000 1.000
  Dysmenorrhea 17(16.83) 2(4.00) 5.006 0.025
  Infertility 11(10.89) 5 (10.00) 0.028 0.867
  Ovarian cyst 70(69.31) 40(80.00) 1.933 0.164
  Sex pain 1(0.99) 1(2.00) 1.000
  Others 3(2.97) 1(2.00) 1.000
History of endometriosis surgery 0.318 0.573
  No 93(92.08) 48(96.00)
  Yes 8(7.92) 2(4.00)
Counts of endometriosis surgeries 0.498
  0 93(92.08) 48(96.00)
  1 8(7.92) 2(4.00)
  ≥2 0 0
Menstruation in the past three months 1.000
  No 0 0
  Yes 101(100.00) 50 (100.00)
Regular menstruation 0.101 0.751
  No 14(13.86) 6 (12.00)
  Yes 87(86.14) 44(88.00)
Amount of menstruation 2613.000 0.668
  Less 13(12.87) 6 (12.00)
  Moderate 71(70.30) 34(68.00)
  Much 17(16.83) 10(20.00)
Dysmenorrhea history 13.200 < 0.001
  No 41(40.59) 36(72.00)
  Yes 60(59.41) 14(28.00)
Pregnancy history 0.116 0.733
  No 31(30.69) 14(28.00)
  Yes 70(69.31) 36(72.00)
Parity 2871.000 0.146
  0 45(44.55) 17(34.00)
  1 35(34.65) 17(34.00)
  2 12(11.88) 11(22.00)
  3 8(7.92) 5 (10.00)
   > 3 1(0.99) 0(0.00)
Infertility history 2.674 0.102
  No 76(76.77) 44(88.00)
  Yes 23 (23.23) 6 (12.00)