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| Experimental group | Control group | RR (95%CI) | |
| Number of infants enrolled | 324 | 325 | |
| Number of missing infants | 26 | 26 | |
| Reported | 122/298 | 145/299 | 0.84 (0.71,1.01) |
| Worst case | 148/324 | 145/325 | 1.02 (0.86,1.21) |
| Best case | 122/324 | 171/325 | 0.72 (0.60,0.85) |
