Skip to main content
. 2018 May 29;13(5):e0196904. doi: 10.1371/journal.pone.0196904

Table 2. Incidence of adverse events that occurred in at least 5% of participants, regardless of causality.

MedDRA Preferred Term Reported Severity (DAIDS Grade) Ring Intervention Phase Observation Phase
Group A Group B Total Group A Group B Total Overall Total p-value
N = 87 N = 71 N = 158 N = 79 N = 82 N = 161 N = 169
n (%) n (%) n (%) n (%) n (%) n (%) n (%)
Participant with any adverse event 57 (65.5%) 43 (60.6%) 100 (63.3%) 47 (59.5%) 60 (73.2%) 107 (66.5%) 138 (81.7%) 0.6068
Vaginal candidiasis Grade 1, 2 12 (13.8%) 6 (8.5%) 18 (11.4%) 8 (10.1%) 9 (11.0%) 17 (10.6%) 32 (18.9%) 0.8527
Influenza-like illness Grade 1, 2 7 (8.0%) 5 (7.0%) 12 (7.6%) 4 (5.1%) 12 (14.6%) 16 (9.9%) 26 (15.4%) 0.4142
Metrorrhagia Grade 1, 2 5 (5.7%) 4 (5.6%) 9 (5.7%) 4 (5.1%) 13 (15.9%) 17 (10.6%) 23 (13.6%) 0.0736
Vaginitis bacterial Grade 1, 2 8 (9.2%) 7 (9.9%) 15 (9.5%) 6 (7.6%) 7 (8.5%) 13 (8.1%) 23 (13.6%) 0.6374
Headache Grade 1, 2 12 (13.8%) 1 (1.4%) 13 (8.2%) 5 (6.3%) 5 (6.1%) 10 (6.2%) 21 (12.4%) 0.4913
Gynaecological chlamydia Infection Grade 1, 2 2 (2.3%) 4 (5.6%) 6 (3.8%) 8 (10.1%) 1 (1.2%) 9 (5.6%) 15 (8.9%) 0.4386
Upper respiratory tract infection Grade 1, 2 4 (4.6%) 1 (1.4%) 5 (3.2%) 1 (1.3%) 9 (11.0%) 10 (6.2%) 15 (8.9%) 0.1967
Vaginal discharge Grade 1 2 (2.3%) 5 (7.0%) 7 (4.4%) 2 (2.5%) 1 (1.2%) 3 (1.9%) 10 (5.9%) 0.2059

DAIDS = Division of AIDS; MedDRA = Medical Dictionary for Regulatory Activities