Table 5.
Alignment | No. of failures | Failure rate | P-value |
---|---|---|---|
Normal (N = 2,495) (0–7°) | 5 | 0.2 % | Reference |
Abnormal (N = 553) (less than 0° or greater than 7°) | 25 | 4.5 % | <0.0001 |
Alignment | No. of failures | Failure rate | P-value |
---|---|---|---|
Normal (N = 2,495) (0–7°) | 5 | 0.2 % | Reference |
Abnormal (N = 553) (less than 0° or greater than 7°) | 25 | 4.5 % | <0.0001 |