approached significancep < 0.001
Statistically, when we examined the effect of α angle and BifA, we showed that the α angle approached significance [OR, 1.054 (1.026–1.083), p < 0.001]; however, only the BifA angle retained significance after the multivariate analysis [OR, 0.911 (0.877–0.946), p < 0.001].