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Table 2 Medical histories and clinical findings in BV and normal-women

From: Bacterial communities in penile skin, male urethra, and vaginas of heterosexual couples with and without bacterial vaginosis

  Women
BV (n = 65) Normal (n = 31) P valuea
Past history of BV, n (%) 52 (80 %) 18 (58 %) 0.024
Mean months since last episode of BV 9.7 5.9 0.332
History of douching, n (%) 22 (34 %) 9 (30 %)b 0.710
History of vaginal products or medications used, n (%) 13 (20 %) 9 (29 %) 0.345
Use of birth control, n (%) 26 (40 %) 14 (45 %) 0.631
Mean number of days since beginning of last menstrual period 25.7 23.5 0.824
Symptoms
 Vaginal discharge, n (%) 44 (68 %) 12 (39 %) 0.007
 Vaginal odor, n (%) 47 (72 %) 7 (23 %) <0.0001
 Vaginal irritation, n (%) 17 (26 %) 5 (16 %) 0.275
Amount of discharge on examination
 None, scant, n (%) 24 (38 %) 25 (81 %) <0.0001
 Moderate, n (%) 31 (48 %) 6 (19 %)  
 Copious, n (%) 9 (14 %) 0 (0 %)  
Mean Amsel score 3.64 0.28 <0.0001
Mean Nugent score 8.75 0.87 <0.0001
  1. a P values are by Pearson’s chi-square for categorical variables and by t tests for continuous variables
  2. bCalculation based on n = 30