Table 3.
Needs of diagnostic tests by risk perception of irritable bowel syndrome1 n (%)
| The patient needs to be diagnosed by …(choose EVERYTHING appropriate) |
Increased risk perception (colon cancer, nutritional deficit, surgical condition, or shorter life span) |
|||
| No (n = 130) | Yes (n = 853) | OR2 (95%CI) | aOR3 (95%CI) | |
| Blood test (n = 400) | 30 (23.1) | 370 (43.4) | 2.55 (1.66-3.92) | 2.66 (1.72-4.11) |
| Stool examination (n = 442) | 40 (30.8) | 402 (47.1) | 2.01 (1.35-2.98) | 2.12 (1.42-3.17) |
| Colonoscopy (n = 781) | 89 (68.5) | 692 (81.1) | 1.98 (1.32-2.98) | 2.10 (1.38-3.18) |
| Abdominal ultrasound (n = 354) | 25 (19.2) | 329 (38.6) | 2.64 (1.67-4.17) | 2.70 (1.70-4.28) |
| Computed tomography (n = 199) | 10 (7.7) | 189 (22.2) | 3.42 (1.76-6.64) | 3.33 (1.71-6.51) |
| Don't need any test (n = 28) | 19 (14.6) | 9 (1.1) | 0.06 (0.03-0.14) | 0.05 (0.02-0.11) |
1The question was "In your opinion, the patient needs to be diagnosed by… (choose EVERYTHING appropriate);
2
Odds ratio of "yes" referenced by "no";
3
Adjusted by sex, age, area of residency, number of comorbidity, and problem drinking. CI: Confidence interval; OR: Odds ratio; aOR: Adjusted odds ratio.