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Table 3 The related risk factors for chronic endometritis

From: Analysis of the diagnostic value of CD138 for chronic endometritis, the risk factors for the pathogenesis of chronic endometritis and the effect of chronic endometritis on pregnancy: a cohort study

factors Totality n CE (n = 26) NCE (n = 67) X2 P r
prolonged menstrual bleeding
 Yes 12 8 4 10.25 0.003* 0.315
 No 81 18 63    
delivery history
 Yes 42 9 33 1.621 0.203 0.131
 No 51 17 34    
previous abortion history
 Yes 32 14 18 6.042 0.014* 0.247
 No 61 12 49    
history of spontaneous abortion
 Yes 14 6 8 1.817 0.178 0.138
 No 79 20 59    
history of vaginitis
 Yes 51 15 36 0.119 0.73 0.036
 No 42 11 31    
history of pelvic inflammation
 Yes 12 6 6 3.324 0.068 0.186
 No 81 20 61    
History of cervical mycoplasma infection
 Yes 6 3 3 1.547 0.214 0.128
 No 87 23 64    
History of cervical chlamydial infection
 Yes 6 3 3 1.547 0.214 0.128
 No 87 23 64    
Tubal blockage
 Yes 44 17 27 4.729 0.030* 0.22
 No 49 9 40    
pregnancy outcome
 pregnancy 23 2 21 5.629 0.017* −0.246
 unpregnancy 70 24 46    
  1. *Significant difference at p < 0.05