Impact of gender and race on expectations and outcomes in total knee arthroplasty

Table 1 Summary of initial cohort demographics

		n	Percent
Gender1	Male	29	21.8
	Female	104	78.2
	Total (n)	133	100
Relationship status1	Married	54	40.6
	Single	53	39.8
	Divorced	10	7.5
	Significant other	1	0.8
	Widowed	13	9.8
	Partner	1	0.8
	Total (n)	132	99.2
Race1	African American	69	51.9
	Asian	2	1.5
	Hispanic	3	2.3
	White	55	41.4
	Unknown/Other	4	3
	Total (n)	133	100
Insurance type1	Private	78	58.6
	Medicare	51	38.3
	Workman's comp	3	2.3
	Total (n)	132	99.2

¹The null hypothesis, that the categories occur with equal probabilities, is rejected using the One-Sample Chi-square test, P < 0.01.