Table 4.
The results on Bayley III scale for children 6-12 months of age
| Bayley Scales | IRAN (n=46) | USA (n=46) | Mann-Whitney U-test value | p-value |
|---|---|---|---|---|
| Cognition | 8.72 ± 3.43 | 9.02 ± 2.39 | - | 0.623a |
| Receptive Communication | 9.11 ± 2.85 | 8.85 ± 2.53 | - | 0.644a |
| Expressive Communication | 10.26 ± 3.06 | 9.07 ± 2.71 | - | 0.050a |
| Fine Motor | 7.57 ± 3.35 | 7.85 ± 2.56 | - | 0.650a |
| Gross Motor | 9 (4-11) | 9 (3-10) | 974 | 0.509b |
| Composite Cognition | 93.59 ± 17.15 | 95.11 ± 11.95 | - | 0.623a |
| Composite Language | 98.17 ± 14.71 | 94.09 ± 12.90 | - | 0.160a |
| Composite Motor | 86.02 ± 18.73 | 85.35 ± 16.19 | - | 0.854a |
| Percentile Cognition | 41.01 ± 29.25 | 40.87 ± 23.48 | - | 0.980a |
| Percentile Language | 46.41 ± 28.40 | 38.20 ± 24.62 | - | 0.142a |
| Percentile Motor | 29.56 ± 25.69 | 26.28 ± 22.30 | - | 0.515a |
aData are shown as mean ± standard deviation and were compared by independent samples t-test. bData are shown as median with interquartile range and were compared by Mann-Whitney U-test.*Statistically significant (p<0.05).