. Author manuscript; available in PMC: 2014 Oct 1.

Published in final edited form as: Clin J Pain. 2013 Oct;29(10):10.1097/AJP.0b013e31827a71a3. doi: 10.1097/AJP.0b013e31827a71a3

Table 1.

Participant demographics for sonographic cystometry validation

Characteristic^*	Subjects

Age	24.2 (8.2)
Race
Caucasian	32/49 (65.3%)
Asian	13/49 (26.5%)
BMI kg/m² (median, 25–75%)	22.86 (20.1, 22.9)
Dysmenorrhea rating (0–10, VAS)	2.76 (2.3)
Point in cycle visit 1, (n = 49)
Unsure (hormonal suppression/menopausal)	4/49 (8.2%)
Menses (day 0–5)	10/49 (20.4%)
Follicular (day 6–14)	12/49 (24.5%)
Luteal (day 15–35)	23/49 (46.9%)
Point in cycle visit 2, (n = 47)
Unsure (hormonal suppression/menopausal)	6/47 (12.8%)
Menses (day 0–5)	9/47 (19.1%)
Follicular (day 6–14)	14/47 (29.8%)
Luteal (day 15–35)	18/47 (38.3%)
Reached MT < 2 hours, Visit 1	42/49 (85.7%)
Reached MT < 2 hours, Visit 2	43/47 (91.5%)

results display means (standard deviations) or count (percentages), BMI = body mass index, VAS = Visual Analog Scale, MT = maximum tolerance