Table 2.
Regression analysis of adverse events among Medicare outpatients who received initial CT colonography (CTC) or initial optical colonoscopy (OC) between January 2007 and December 2008a.
| Gastrointestinal bleed |
Perforation |
Other gastrointestinal events |
Cardiovascular events |
||||||
|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | ||
| Total population (n = 155,316) | |||||||||
| Type of examination | |||||||||
| Initial CTC (n = 6114) | |||||||||
| Initial OC (n = 149,202) | 1.91 | [1.47,2.49] | 2.62 | [0.84,8.22] | 1.35 | [1.07,1.69] | 1.38 | [1.18,1.62] | |
| Age | 66–74 (ref) | ||||||||
| 75–84 | 1.38 | [1.24,1.53] | 1.18 | [0.84,1.66] | 1.39 | [1.26,1.53] | 1.44 | [1.33,1.55] | |
| ≥ 85 | 2.98 | [2.61,3.41] | 0.75 | [0.38,1.46] | 1.87 | [1.63,2.15] | 2.54 | [2.29,2.80] | |
a
Regression analyses are adjusted for gender, age, race, comorbidities associated with adverse events (i.e. atrial fibrillation/flutter, congestive heart failure, chronic pulmonary disease, diabetes, stroke, renal disease, diverticulosis, obesity), and adverse events in preceding 90 days.