Table 2 Prevalence and odds ratios for irritable bowel syndrome among the sampled patients.

From: Chronic Prostatitis/Chronic Pelvic Pain Syndrome is associated with Irritable Bowel Syndrome: A Population-based Study

Presence of prior irritable bowel syndrome

Total (n = 9740)

Patients with chronic prostatitis/chronic pelvic pain syndrome (n = 4870)

Controls (n = 4870)

n, %

n, %

n, %

Yes

753

7.7

497

10.2

256

5.3

Crude OR (95% CI)

–

2.05*** (1.75–2.40)

1.00

Adjusted ORa (95% CI)

–

1.96*** (1.67–2.29)

1.00

  1. Notes: OR = odds ratio; OR was calculated by conditional logistic regression which was conditioned on age group; aAdjustments are made for patient’s monthly income, geographic region, urbanization level, coronary heart disease and hypertension; ***indicates P < 0.001.
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