Hours of crying before and during the treatment period of eight days for those infants whose parents managed to complete the diary appropriately
| Treatment group | Controls | p value | |
| Pretreatment | 5.1 (3.0) (n = 41) | 5.4 (3.2) (n = 31) | 0.612 |
| At first visit | 4.2 (2.7) (n = 42) | 3.9 (2.5) (n = 33) | 0.612 |
| At second visit (day 3–6) | 3.4 (2.7) (n = 42) | 3.2 (2.5) (n = 33) | 0.602 |
| At third visit (day 8) | 3.1 (2.7) (n = 42) | 3.1 (2.7) (n = 33) | 0.982 |
Results expressed as mean (SD); p values calculated by Student's t test.