Table 2 Key outcome measures
Intervention group | Control group | Relative risk | 95% confidence intervals | Pvalue | |||
|---|---|---|---|---|---|---|---|
n | % | n | % | ||||
Per protocol analysis | |||||||
Any missed appointment | 33 | 10·4 | 44 | 28 | 0·37 | (0·25 to 0·56) | < 0·0001 |
Loss to follow-up | 9 | 2·8 | 2 | 1·3 | 2·23 | (0·49 to 10·19) | 0·4 |
Died | 0 | 0 | 4 | 2·5 | 0 | (undefined) | 0·01 |
Modified intention to treat analysis | |||||||
Any missed appointment | 50 | 11·8 | 44 | 28 | 0·42 | (0·29 to 0·60) | < 0·0001 |
Loss to follow-up | 10 | 2·4 | 2 | 1·3 | 1·85 | (0·41 to 8·34) | 0·5 |
Died | 4 | 0·9 | 4 | 2·5 | 0·68 | (0·34 to 1·37) | 0·2 |