Table 1. Overall clinical characteristics of the study subjects.

Variables	Pre-correction	Post-correction	P
Age (year), mean ± SD	13.6±6.5	15.71±6.6	<0.001
Sex, n
Male	71
Female	14
Morphology type, n			<0.001
Symmetric	54	85
Asymmetric	31	0
Age group, n			1.000
YG (<10 years old)	24	23
OG (≥10 years old)	61	62
LDH, mean ± SD
Total LDH (IU/L)	404.2±80.8	369.2±79.3	<0.001
LDH1 (17.7–31.5%)	26.4±3.2	27.2±2.9	0.057
LDH2 (28.0–35.7%)	30.9±3.8	30.8±2.5	0.777
LDH3 (20.8–26.8%)	21.2±2.3	20.8±2.2	0.744
LDH4 (6.4–12.7%)	8.8±2.7	8.4±2.7	0.326
LDH5 (4.5–16.0%)	13.2±3.4	13.6±4.5	0.541
Haller index, mean ± SD	3.8±1.45	2.7±0.4	<0.001

LDH, lactate dehydrogenase; YG, young group; OG, old group.