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. 2018 Jun 1;13(6):e0197572. doi: 10.1371/journal.pone.0197572

Table 2. Urogenital self-reported symptoms and clinician-observed signs (not associated with a laboratory-confirmed infection at the same visit) by randomisation group.

Urogenital symptoms/signs recorded at baseline and ring removal visits1, 2, 3 Baseline (N = 120) Intermittent use of three rings (N = 60) Continuous use of four rings (N = 60) P-value4
Total n (%) of randomised women with symptom(s) or sign(s) at the baseline visit 18 (15) NA NA
Total n (%) of women with incident symptom(s) or sign(s) during at least one ring removal visit NA 11/60 (18.3) 17/60 (28.3) 0.280
Self-reported urinary symptoms
    Burning when passing urine 2 (1.7) 1/59 (1.7) 4/59 (6.8) 0.364
    Genital burning 1 (0.8) 3/59 (5.1) 2/60 (3.3) 0.679
    Frequent urination or urgent need 0 (0.0) 1/60 (1.7) 0/60 (0.0) 1.000
Self-reported vaginal symptoms
    Genital itching 2 (1.7) 1/59 (1.7) 2 /59 (3.4) 1.000
    Lower abdominal pain 3 (2.5) 0/59 (0.0) 6/58 (10.3) 0.013
    Abnormal vaginal discharge 1 (0.8) 0/60 (0.0) 0/59 (0.0)
    Pain during sex 1 (0.8) 0/59 (0.0) 0/60 (0.0)
Clinician-observed signs
    Vulvovaginal lesion/pustule 0 (0.0) 1/60 (1.7) 1/60 (1.7) 1.000
    Vaginal abnormal/unusual discharge 11 (9.2) 3/56 (5.4) 1/53 (1.9) 0.619
    Vaginal erythema or ulceration or laceration or abrasion or peeling or petechiae or ecchymosis or condylomata or oedema or cysts 0 (0.0) 1/60 (1.7) 0/60 (0.0) 1.000
    Vaginal vesicles 0 (0.0) 0/60 (0.0) 1/60 (1.7) 1.000
    Cervical abnormal/unusual discharge 1 (0.8) 2/60 (3.3) 0/59 (0.0) 0.496
    Cervical erythema, ulceration, laceration, abrasion, peeling, petechiae, ecchymosis, vesicles, condylomata, oedema, cysts 1 (0.8) 0/59 (0.0) 1/60 (1.7) 1.000
    Cervical os blood present 0 (0.0) 3/60 (5.0) 10/60 (16.7) 0.075
    Adnexal tenderness 1 (0.8) 0/60 (0.0) 0/59 (0.0)

NA = not applicable

1. Number of women with incident self-reported symptom or clinician-observed sign at one or more ring removal visits (%).

2. Women could report one or more symptoms, and study physicians could observe one or more signs, per ring removal visit.

3. Includes self-reported urogenital and vaginal symptoms.

4. Fisher’s exact test comparing intermittent and continuous users.