Skip to main content
. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Pain. 2020 Jun;161(6):1227–1236. doi: 10.1097/j.pain.0000000000001826

Table 1: Demographic factors and pain characteristics of study cohort.

BOLD - Results significantly different (p<0.05) than healthy controls. Tabulated results indicate count (percent) or median (25th, 75th percentile). DYSB: DYS + Bladder pain sensitivity, BPS: Bladder Pain Syndrome.

Group: Healthy
Control
Dysmenorrhea DYSB BPS p-value
N 37 98 49 25
Age 21 (19, 28) 21 (20, 29) 22 (20, 26) 30 (25, 32) 0.004
Race 0.006
Black 2 (5%) 22 (22%) 9 (18%) 3 (12%)
Other 12 (32%) 14 (14%) 12 (24%) 0 (0%)
White 23 (62%) 63 (64%) 28 (57%) 22 (88%)
Hispanic 3 (8%) 13 (13%) 8 (16%) 0 (0%) 0.170
1 vaginal delivery 1 (3%) 6 (6%) 3 (6%) 3 (12%) 0.528
Cycle Day 20 (17, 23) 20 (18, 23) 19 (17, 22) 20 (18, 24) 0.540
Pain & Bladder
Menstrual Pain (0-100 VAS) 13 (5, 22) 73 (66, 80) 70 (64.5, 85) 70 (60, 92) 0.001
Urination Pain (0-100 VAS) 1 (1, 3) 2 (1, 5) 13 (5, 32) 32 (16, 66) 0.001
Bladder Pain Off Period 0 (0%) 1 (1%) 4 (8%) 22 (88%) 0.001
IC Symptom Index (0-19) 2 (1, 4) 4 (2, 6) 6 (4, 9) 11 (9, 13) 0.001
Bladder Capacity (mL) 641 (501, 763) 487 (323, 626) 459 (343, 597) 363 (204, 538) 0.001
Pain Behavior (T-score) 37 (37, 55) 54 (37, 57) 56 (54, 59) 59 (56, 61) 0.001
Pain Interference (T-score) 41 (41, 51) 49 (41, 55) 54 (51, 58) 61 (55, 64) 0.001
Somatic Symptoms (0-24) 1 (0, 2) 2 (0, 3) 2 (1, 5) 4 (2, 7) 0.001
Pain Catastrophizing (0-52) 9 (6, 16) 13 (7, 21) 19 (7, 26) 18 (6, 27) 0.016
Psychological
Anxiety (T-score) 53 (48, 58) 56 (50, 60) 56 (54, 61) 60 (55, 65) 0.002
Depression (T-score) 50 (43, 56) 51 (46, 55) 53 (50, 59) 55 (48, 59) 0.016