Table 4 The ratios of the labrum widths to the subspine space areas at three positions
Position | SSI group | Non-SSI group | P value |
|---|---|---|---|
Labrum width/vertical subspine area | |||
 11:30 | 0.08 (± 0.03) | 0.06 (± 0.04) | 0.336 |
 1:30 | 0.07 (± 0.04) | 0.06 (± 0.04) | 0.245 |
 3:00 | 0.09 (± 0.05) | 0.07(± 0.05) | 0.289 |
Labrum width/oblique subspine area | |||
 11:30 | 0.83 (± 0.44) | 0.50 (± 0.17) | 0.010 |
 1:30 | 0.81 (± 0.46) | 0.47 (± 0.19) | 0.007 |
 3:00 | 0.98 (± 0.52) | 0.56 (± 0.22) | 0.004 |