Unicompartmental knee arthroplasty vs high tibial osteotomy for knee osteoarthritis: A comparison of clinical and radiological outcomes

Table 1 Demographics

	UKA group (n = 23)	HTO group (n = 19)
Age (years), mean (SD)	66.9 (8.6)	54.3 (10.8)
Sex (male:female)	12:11	18:1
Laterality (left:right)	15:8	11:8
Smoking, n (%)	1 (4.5)	1 (5.6)
Height (cm), mean (SD)	167.1 (10.0)	174.2 (9.1)
Weight (kg), mean (SD)	84.2 (18.4)	95.6 (16.8)
BMI (kg/m2), mean (SD)	30.0 (4.6)	31.5 (4.8)
ASA, median (range)	2 (1 to 3)	2 (1 to 2)
SCQ, median (range)	3.5 (0 to 12)	3 (0 to 10)

UKA: Unicompartmental knee arthroplasty; HTO: High tibial osteotomy; BMI: Body mass index; ASA: American Society of Anesthesiologists Physical Status Classification System; SCQ: Self-administered co-morbidity questionnaire.