TABLE 1.

—Background Data and UTI Results During a 6-Month Observation Period: 94 Women Receiving Acupuncture Treatment for Recurrent Lower UTIs or Receiving No Treatment

	Acupuncture (n = 67)	No Treatment (n = 27)
Baseline data
Mean age, y	38.6	39.1
Mean age at first UTI, y	14.6	14.0
Mean no. of UTIs in previous 12 months	6.2	4.9
Mean no. of weeks since most recent UTI	5.3	6.3
Mean weekly no. of sexual encounters in previous month	1.9	1.7
Main results over 6 months
Symptomatic lower UTI (with bacteriuria)
No. of patients without symptoms	49	14
No. of UTIsa	18	18
Incidence rateb	0.049	0.108
Incidence rate ratio (95% CI)	0.45 (0.23, 0.86)
UTI symptoms without bacteriuria
No. of patients without symptoms	52	10
No. of symptomatic episodes	14	21
Incidence rateb	0.038	0.125
Incidence rate ratio (95% CI)	0.30 (0.16, 0.58)

Note. UTI = urinary tract infection. Differences between groups are shown as incidence rate ratios and 95% confidence intervals (CIs).

^aNo participants had more than 2 episodes over the 6-month observation period.

^bCalculated as number of UTIs per person-month.