Diagnostic value of pituitary volume in girls with precocious puberty

BMC Pediatrics

Table 2 Comparison between groups for magnetic resonance imaging measurements

	Control	PT	ICPP	Pubertal	P
Number	30	90	133	35
Age (yr)	6.90 ± 0.96	6.83 ± 1.36^^^	6.99 ± 1.33###	8.86 ± 0.37	0.000
Length (mm)	5.12 ± 1.14&&	5.43 ± 0.89	5.79 ± 0.94**	5.69 ± 0.92	0.001
Width (mm)	11.53 ± 1.35$&&	12.22 ± 1.51	12.49 ± 1.52	12.35 ± 1.44	0.016
Height (mm)	5.04 ± 0.77&	5.09 ± 1.12^	5.53 ± 1.34*	5.65 ± 1.24	0.014
PV (mm³)	148.72 ± 44.28&&&	170.94 ± 60.13^	200.17 ± 67.33**	200.56 ± 75.40	0.000
Grade
concave	2	16	27	7
flat	26	63	81	18
convex	2	11	25	10
Convex%	6.7%	12.2%	18.8%	28.6%	0.059

Data are expressed as the mean ± SD
Measurement data were analyzed by one-way ANOVA and count data were assessed by the chi-square test. Comparison between control group and PT, $ P < 0.05
Comparison between control group and ICPP, & P < 0.05, && P < 0.01, &&&P < 0.001
Comparison between ICPP and PT, * P < 0.05, ** P < 0.01
Comparison between ICPP and pubertal group, ### P < 0.001
Comparison between PT and pubertal group, ^ P < 0.05, ^^^P < 0.001
PT: premature thelarche, ICPP: idiopathic central precocious puberty, PV: pituitary volume

ISSN: 1471-2431