Table 1.

Baseline characteristics of patients with pseudohypoparathyroidism type 1a

	Prospective Study n= 19	Retrospective Study n= 18	P value
Age (years)	10.4 ± 5.2	11.1 ± 5.5	0.69
Race (% Caucasian)	100	94	0.23
Gender (% female)	68	72	1.00
BMI z-score	2.24 ± 0.60 (n= 16)	2.26 ± 0.53 (n= 16)	0.92
Asthma (% affected)	32	50	0.33
Growth hormone (% on treatment)	11	11	1.00
Snoring (% affected)	53	50	1.00
Sleep apnea (% affected)	58	39	0.33

BMI, body mass index. BMI z-scores were calculated as standard deviations from the mean using gender and age specific Centers for Disease Control growth charts. Data expressed as mean ± SD. Continuous variables were compared using Student’s t-test. Categorical variables were compared using Fisher’s Exact test.