Table 5 Multivariate analysis of elbow structural abnormalities

OR

95% CI

Max

Min

P

All players pooled

** Official baseball experience (years)

1.154

1.038

1.283

9

1

0.008

** Younger age at starting (years)

1.202

1.064

1.357

7

14

0.003

** Lower total shoulder rotation angle (^o)

1.007

1.000

1.014

185

110

0.050

** Lower total elbow arm angle (^o)

1.052

1.017

1.088

150

110

0.003

Pitchers

** Official baseball experience (years)

1.342

1.098

1.640

9

3

0.004

** Lower total shoulder rotation angle (^o)

1.016

1.004

1.027

185

135

0.006

** Lower total elbow arm angle (^o)

1.075

1.024

1.129

145

110

0.004