Table 2.

Patient preoperative demographics. Values are median (interquartile range), unless otherwise stated

	Patients with	Patients with
	complete data	incomplete data
	n = 333	n = 163	p-valuea
Age	69 (61–73)	68 (61–75)	0.7
Female, n (%)	203 (61)	119 (73)	0.01
Body mass index	29 (26–33)	30 (26–33)	0.8
Oxford Knee Score	23 (17–27)	21 (15–25)	0.01
Forgotten Joint Score	14 (6–27)	14 (7–23)	0.6

^aWilcoxon Signed Rank test for continuous variables and chi-square test for dichotomous variables.