Outcome measures (n=2,237)
| Rate (%) | Incidence per 1,000 exams (95% confidence interval) | |
|---|---|---|
| Replied to questionnaire | 1,416 (63.30) | |
| Adverse events | ||
| Nil | 1,254 (56.06) | |
| Minor | 91 (4.07) | 40.68 (33.25–49.68) |
| Moderate | 38 (1.70) | 16.99 (12.40–23.23) |
| Severe | 33 (1.48) | 14.75 (10.52–20.64) |
| Perforation | 1 (0.04) | 0.45 (0.08–2.53) |
| Mortality | ||
| Deaths ≤30 days | 3 (0.13) | 1.34 (0.46–3.94) |