tRNA-Derived Fragment tRF-5009A Regulates Autophagy and Degeneration of Cartilage in Osteoarthritis via Targeting mTOR

Table 2

Correlation between tRF-5009A expression and the baseline characteristics of patients with knee osteoarthritis ().

Characteristics	tRF-5009A expression		value
	Low	High
Age (years)
<65	5	6	0.454
≥65	12	7
Gender
Male	3	3	1.000
Female	14	10
Obesity gradation
Underweight	0	0	0.414
Normal weight	4	5
Overweight	6	6
Obesity	7	2
Affected side
Left	8	8	0.431
Right	9	5
Disease duration (years)
<10	10	8	0.880
≥10	7	5
Kellgren-Lawrence gradation
III	2	11	<0.001
IV	15	2

values were analyzed using the chi-squared test with as significant.