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The mean of d1mft, d1mfs, and I-ECC indices according to the age (month).
| Age (Months) | d1mft (Mean ± SD) | d1mfs (Mean ± SD) | I-ECC (Mean ± SD) |
|---|---|---|---|
| 9–12 | 0.52 ± 0.88 a | 0.59 ± 1.11 b | 0.09 ± 0.16 c |
| 13–18 | 1.76 ± 1.64 a | 2.28 ± 2.40 b | 0.15 ± 0.14 c |
| Total | 1.07 ± 1.41 | 1.34 ± 1.99 | 0.11 ± 0.16 |
Wilcoxon rank-sum (Mann–Whitney) test. Same letter indicates statistically significant difference (p-value < 0.001).
