Table 5.

Cost Between Complication (+) and (-) in OPLL, CSM, and Total Patients After Propensity Score Matching.

OPLL (N = 7169)
	Systemic Complication (+) (N = 655)	Systemic Complication (-) (N = 6514)	P Value
Cost ($)	22,290 ± 11,913	18,613 ± 7244	<.001***
	Local complication (+) (N = 321)	Local complication (-) (N = 6848)	P Value
Cost ($)	22,071 ± 10,535	18,803 ± 7680	<.001***
	Total complication (+) (N = 945)	Total complication (-) (N = 6224)	P Value
Cost ($)	22,053 ± 11,179	18,478 ± 7105	<.001***
CSM (N = 7169)
	Systemic complication (+) (N = 552)	Systemic complication (-) (N = 6617)	P Value
Cost ($)	18,786 ± 9609	16,530 ± 6571	<.001***
	Local complication (+) (N = 266)	Local complication (-) (N = 6903)	P Value
Cost ($)	19,024 ± 7889	16,597 ± 6804	<.001***
	Total complication (+) (N = 799)	Total complication (-) (N = 6370)	P Value
Cost ($)	18,954 ± 9151	16,422 ± 6484	<.001***

Data was presented as mean ± SD. Significant values are given as follows. ***P < .001.

Abbreviations: OPLL, ossification of posterior longitudinal ligament; CSM, cervical spondylotic myelopathy; SD, standard deviation.