Table 3.

Changes of serum 25-(OH)D before and after treatment of ISS with different doses of rhGH (n, $\overline{x}$ ± s, ng/mL).

Group	Number of cases	Before treatment	6 months after treatment	12 months after treatment	24 months after treatment
Low-dose group	59	36.41 ± 9.80	39.50 ± 11.65∗	46.12 ± 14.79∗	52.06 ± 16.51∗
High-dose group	44	34.67 ± 10.19	40.79 ± 12.33∗	48.26 ± 15.82∗	52.13 ± 16.30∗
t value		0.876	0.542	0.705	0.021
P value		0.382	0.588	0.482	0.983

Note. Compared with that before treatment, ^∗P < 0.05.