Table 1.

Baseline statistics

	Radon	Control
Number	13	12
Female	7	8
Male	6	4
Age	67.23 ± 4.75	67.50 ± 3.99
BMI	26.45 ± 4.93	27.99 ± 4.28
Kellgren grade	2.67 ± 0.65	2.58 ± 0.69
WOMAC total score	33.65 ± 17.28	32.33 ± 14.98
WOMAC pain	36.77 ± 14.20	34.83 ± 14.83
WOMAC stiffness	35.00 ± 21.21	43.75 ± 22.48
WOMAC physical	32.58 ± 20.30	30.25 ± 16.66
EQ-5D score	0.77 ± 0.10	0.77 ± 0.10
Pain in potion (NRS)	5.00 ± 1.71	5.25 ± 2.17
Pain at rest (NRS)	3.42 ± 1.40	3.21 ± 1.75
COMP ng/mL	34.14 ± 24.71	27.27 ± 8.33
PIIANP ng/mL	586.69 ± 110.45	705.24 ± 199.75
uCTXII ng/mMol Crt	13.56 ± 6.21	15.05 ± 12.75