Table 1.
Recruitment process
| Total number of eligible participants | 534 |
| Reason not recruited | |
| No research staff available | 95 |
| Developmental/cognitive delays | 78 |
| Discharged | 71 |
| Parent absent | 40 |
| Noncommunicative | 31 |
| Sleeping | 22 |
| Pediatric intensive care unit | 21 |
| Parents not fluent in English | 19 |
| Undergoing other medical procedures | 6 |
| Other | 3 |
| Total number of potential participants approached | 148 |
| Reason for refusal to participate | |
| Not interested | 18 |
| Too tired | 16 |
| Too nauseous | 12 |
| Parents too busy | 5 |
| Already in other studies | 4 |
| Too much pain | 3 |
| Too sleepy | 3 |
| Other | 4 |
| Total number of participants | 83 |
| Lost to follow-up | 14 |
| Total number of completed follow-up 2 weeks after discharge | 69 |