Table 1.

Baseline demographic and clinical characteristics

Characteristic	Etofenamate group	HA group	P-value
Sex (n)			>0.05
Male	5	3
Female	24	27
Age (years)			>0.05
Minimum	50	50
Maximum	70	70
Mean	61.3	62.5
BMI (kg/m2)			>0.05
Minimum	22.72	21.50
Maximum	35.65	35.11
Mean	28.73	27.54
K/L grading			>0.05
Grade 2	17	15
Grade 3	12	15

Abbreviations: BMI, body mass index; HA, hyaluronic acid; K/L, Kellgren–Lawrence.