Learning curve of total ankle replacement from the lateral approach

Table 2 Baseline demographic and clinical characteristics of the study cohort

Variable	Category	Number of patients (n = 65)	Percentage
Operated leg	Left	36	55.4
	Right	29	44.6
Cause	Post-traumatic	35	53.8
	Chronic osteoarthritis	27	41.5
	Rheumatoid arthritis	3	4.6
BMI (kg/m2)	mean ± SD (range)	29.4 ± 4.0 (20.8-35.6)
	≥ 25 (overweight + obese)	51/59	86.4
	≥ 30 (obese)	27/59	45.8
Diabetes mellitus/prediabetes	Diabetes mellitus (insulin)	2	3.1
	Diabetes mellitus (oral therapy)	1	1.5
	Prediabetes	1	1.5
	No	61	93.9
Smoking status	Occasional smoker	7	10.8
	Former smoker	5	7.7
	Never smoker	53	81.5

BMI: Body mass index; SD: Standard deviation.