Postnatal day | Control group (n = 16) | Experimental group (n = 23) |
2 | 6.56 ± 0.81 | 6.48 ± 0.67 |
8 | 17.25 ± 1.73 | 14.0 ± 1.94* p = 0.000019 |
20 | 36.5 ± 1.83 | 33.17 ± 3.21* p = 0.000105 |