Table 2.

Age at diagnosis and laboratory findings in our Japanese cohort of sporadic PHP1B patients in comparison to our previously reported data for Caucasian patients.

	Age at diagnosis (years)			Calcium (mg/dl)			Phosphate (mg/dl)			PTH (pg/ml)
	sporPHP1B Linglart et al., 2007	sporPHP1B this report		sporPHP1B Linglart et al., 2007	sporPHP1B this report		sporPHP1B Linglart et al., 2007	sporPHP1B this report		sporPHP1B Linglart et al., 2007	sporPHP1B this report
Median	10.0	9.0	#NUM!	5.7	6.4	#NUM!	8.0	7.6	#NUM!	402	335
Mean	10.0	10.6	#DIV/0	6.0	6.3	#DIV/0	8.2	7.7	#DIV/0	634	305
SD	4.61	6.98	#DIV/0	1.17	1.08	#DIV/0	1.35	1.56	#DIV/0	742.9	154.3
SEM	0.98	1.45	#DIV/0	0.25	0.23	#DIV/0	0.29	0.33	#DIV/0	158.4	34.5
N	22	23	0	22	22	0	22	22	0	22	20