Preoperative vitamin D level does not affect the short-term functional outcome after total knee arthroplasty in elderly women

Table 1 Comparison of demographics between the two groups

Variable	Group 1 (n = 44)	Group 2 (n = 176)	p value
Vitamin D level (ng/ml)^*	27.8 (20.2–52.6)	11.4 (2.0–19.9)	0.001
Age (years)	69.6 (55.0–84.0)	67.4 (46.0–86.0)	0.055
Weight (kg)	60.2 (39.0–86.4)	62.7 (42.3–98.0)	0.101
Height (cm)	151 (142–164)	153 (139–177)	0.143
BMI (kg/m²)	26.2 (19.3–34.2)	26.8 (18.0–37.5)	0.279
BMD	−2.3 (− 3.1 to –1.1)	−2.3 (− 3.3 to –0.7)	0.601
Right side	24 (54.5%)	76 (43.2%)	0.176

Data for age, weight, height, BMI, and BMD displayed as mean (range). Data for right side displayed as number (percentage)
BMD bone mineral density, BMI body mass index
^*Statistically significant

ISSN: 2234-2451