Table 1.

Group distribution for GIRD

GIRD	Mean ± SD	95% confidence interval
		Upper bound	Lower bound
15° ≥ group	20.19 ± 4.79	22.31	18.07
14° ≤ group	8.89 ± 4.59	10.98	6.8

GIRD = glenohumeral internal rotation deficit.