A randomized controlled trial to assess the effectiveness and safety of acupuncture for overactive bladder: a study in Hong Kong population

Table 1 Baseline characteristics of the participants in both treatment and control groups

	Treatment group (n = 51)	Control group (n = 49)	P value
Age (years)
Mean ± SD	68.96 ± 6.75	67.94 ± 5.65	0.42
60–69, n (%)	33 (64.7)	32 (65.3)
70–79, n (%)	14 (27.5)	15 (30.6)
80–89, n (%)	3 (5.9)	2 (4.1)
90, n (%)	1 (1)	0 (0)
Gender
Male, n (%)	19 (37.3)	26 (53.1)	0.16
Female, n (%)	32 (62.7)	23 (46.9)	0.16
3-day voiding diary, mean ± SD
All-day urinary frequency	42.60 ± 11.24	41.71 ± 11.27	0.70
Daytime urinary frequency	33.90 ± 11.44	36.57 ± 9.73	0.21
Night-time urinary frequency	8.08 ± 4.66	5.73 ± 3.54	0.006*
Frequency of UUI, median (range)	8.66 (0–54)	7.10 (1–44)	0.16
25 percentile	2	2
75 percentile	10	7
IIQ7	44.44 ± 25.80	49.00 ± 25.86	0.38
UDI6	39.95 ± 13.62	39.54 ± 14.06	0.88
OABSS	10.25 ± 2.17	10.33 ± 2.25	0.87

Statistical significance was tested by using independent t test for continuous data, chi-square test for frequency data, and Mann–Whitney test for frequency of UUI
^* p < 0.05
IIQ: Incontinence Impact Questionnaire, Short Form. UDI6: Urinary Distress Inventory, Short Form. OABSS: Overactive Bladder Symptom Score

ISSN: 1749-8546