Table 1. Clinical characteristics of the study sample with differences between groups.

Variable	Diagnosis	N	Mean (SD)/Median (IR)	p
Age (years)	Controls	59	12.24 (2.92)	0.62
	CF	35	11.89 (3.61 )
Weight (kg)	Controls	59	52.21 (17.37)	<0.01
	CF	35	38.84 (12.67)
Height/age z-score	Controls	59	0.86 (0.06-1.66)	<0.01
	CF	35	-0.37 (-0.95-0.21)
BMI z-score	Controls	59	0.86 (0.43-1.29)	<0.01
	CF	35	-0.11 (-0.51-0.29)
Target height (cm)	Controls	49	161.75 (157.75-165.00)	0.23
	CF	34	159.50 (156.50-163.75)
Menarche (years)	Controls	37	12 (10.95-12.00)	0.33
	CF	18	12 (11.00-13.00)
Tanner staging	Controls	59	4.00 (2.00-5.00)	0.06
	CF	35	3.00 (1.00-4.00)

CF: cystic fibrosis; SD: standard deviation; IR: interquartile range; BMI: body mass index.