Thiopurines are negatively associated with anthropometric parameters in pediatric Crohn’s disease

Table 2 Summary of anthropometric parameters

Variable (n)	Mean ± SD	Range	Percent with z-scores > 2 (%)	Percent with z-scores < -2 (%)
Mid-arm circumference-CA-z-score n = 82	-0.64 ± 1.39	-5.03 to 2.88	2	17
Mid-arm circumference-BA-z-score n = 49	-0.54 ± 1.30	-2.86 to 2.50	2	16
Subscapular skinfold-CA-z-score n = 81	0.59 ± 0.83	-1.56 to 2.31	3	0
Subscapular skinfold-BA-z-score n = 48	0.64 ± 0.87	-1.17 to 2.27	4	0
Triceps-CA-z-score n = 81	1.02 ± 0.74	-0.88 to 2.79	11	0
Triceps-BA-z-score n = 49	1.10 ± 0.72	-1.17 to 2.47	8	0
Height-CA-z-score n = 82	-0.30 ± 1.02	-2.74 to 2.34	1	6
Height-BA-z-score n = 49	0.17 ± 1.12	-3.29 to 2.53	4	2
Weight CA-z-score n = 82	-0.17 ± 1.10	-3.49 to 2.20	4	5
Weight BA-z-score n = 49	0.11 ± 0.91	-2.52 to 1.97	0	2
BMI-CA-z-score n = 82	-0.07 ± 1.04	-2.78 to 2.17	4	4
BMI BA-z-score n = 49	0.05 ± 0.86	-2.58 to 2.09	2	2

BA z-score: z score based on bone age; BMI: Body mass index; CA z-score: z score based on chronological age.