eTable. Completeness of observed cases.
| Theophylline group | Control group | |||
|---|---|---|---|---|
| n | % | n | % | |
| Complete observation | 1025 | 68.5 | 985 | 65.8 |
| Drop-outs | 327 | 21.9 | 355 | 23.7 |
| Incomplete observation | 144 | 9.6 | 156 | 10.4 |
| Total | 1496 | 100.0 | 1496 | 100.0 |
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