Table 3.

Compression diameter according to 1/4, 1/3, and 1/2 compression depth of APD in pediatric patients

Group	Compression depth (mm)	Totala)	Male	Female	P-valueb)
Infant	1/4 of APD	21.5 ± 4.1	22.0 ± 4.3	21.0 ± 3.9	0.243
	1/3 of APD	28.6 ± 5.4	29.3 ± 5.7	28.0 ± 5.1	0.242
	1/2 of APD	43.0 ± 8.1	43.9 ± 8.5	41.9 ± 7.7	0.243
Child	1/4 of APD	33.6 ± 4.2	34.6 ± 4.3	32.0 ± 3.6	0.001
	1/3 of APD	44.8 ± 5.6	46.2 ± 5.7	42.7 ± 4.7	0.001
	1/2 of APD	67.2 ± 8.4	69.3 ± 8.5	64.0 ± 7.1	0.001

Values are presented as mean±standard deviation.

APD, anteroposterior diameter.

^a)Male and female.

^b)Comparison between male and female using t-test.