Table 2. Number and percentage of children with adverse swallowing events, by child age and tablet form (crushed or not crushed).
| Not Crushed | Crushed | |||||
|---|---|---|---|---|---|---|
| Total No. Children Observed | No. (%) with Adverse Swallowing Events | Total No. Children Observed | No. (%) with Adverse Swallowing Events | Risk Ratio1 (95% Confidence Interval) | ||
| Age | 1 year | 52 | 8 (15.4) | 233 | 84 (36.1) | 2.34* (1.21–4.53) |
| 2 years | 83 | 2 (2.4) | 195 | 71 (36.4) | 15.11‡ (3.80–60.16) | |
| 3 years | 319 | 7 (2.2) | 208 | 42 (20.2) | 9.20‡ (4.21–20.09) | |
| 4 years | 360 | 12 (3.3) | 227 | 22 (9.7) | 2.91† (1.46–5.76) | |
‡ p-value < 0.001
† p-value < 0.01
* p-value < 0.05
1 Comparing crushed vs. not crushed tablets