Table 5.

Differences among subtypes based on fine score, gross score, age, and percentile rank.

	Subtype			p value	p value Subtype
	I	II	III		I-II	I-III	II-III
Fine score	13.1 ± 4.9	5.9 ± 3.6	29.5 ± 6.0	0.000∗	0.028∗	0.000∗	0.007∗
Gross score	19.9 ± 3.6	7.5 ± 3.7	23.9 ± 4.2	0.000∗	0.001∗	0.005∗	0.007∗
Age (years)	4.6 ± 1.2	5.3 ± 1.2	4.7 ± 1.0	0.310	—	—	—
Age (months)	59.9 ± 15.3	68.9 ± 16.5	63.1 ± 13.4	0.318	—	—	—
Percentile rank	3.0 ± 2.0	0.1 ± 0.0	31.3 ± 23.6	0.000∗	0.000∗	0.000∗	0.000∗

^∗ p < 0.05.