Table 4.

Logistic Regression of PJK Risk Scores as Independent Predictors of PJK.

Dependent Variable	Covariate	OR [95% CI]	P
PJK	Risk score of 1	Ref	—
	Risk score of 2	—	.225
	Risk score of 3	3.2 [1.9-5.2]	.020
	Risk score of 4	5.3 [3.3-8.6]	<.001
	Risk score of 5	11.0 [6.4-18.9]	<.001

Abbreviations: PJK, proximal junctional kyphosis; OR, odds ratio; CI, confidence interval.