EIB (n=15) Non-EIB (n=28) t; χ2 p
Mean ± SD Mean ± SD
Age (year) 14,00 ± 1,96 13,25 ± 2,80 t:-0,922 a0,362
Height (cm) 160,27 ± 11,39 158,61 ± 12,15 t:-0,436 a0,665
  n (%) n (%)    
Sex     χ2:0,897 b0,343
Male 5 (33,3) 5 (33,3)    
Female 10 (66,7) 10 (66,7)    
Ethnicity     χ2:6,970 c0,125
Caucasian 4 (26,7) 4 (26,7)    
African American 3 (20,0) 3 (20,0)    
Hispanic 1 (6,7) 1 (6,7)    
Asian 3 (20,0) 3 (20,0)    
Other 4 (26,7) 4 (26,7)    
aStudent’s t Test; bYates’ Continuity Correction; cFisher-Freeman-HaltonExact Test
Table 1: Baseline Demographic characteristics of study subjects.