Table 1 Demographic, clinical and radiographical findings of the patients according to the non-dominant knee Kellgren-Lawrence grading

Age

65.1±6.7

64.3±7.2

65.1±6.5

65.8±6.5

0.834

II = III = IV

Body mass index

31.4±4.0

30.0±4.1

31.6±2.8

32.6±4.6

0.186

II = III = IV

Calcifediol (ng/ml)

13.7 (4.3–53.1)

14.8 (4.3–42.7)

10.2 (5.2–37.8)

18.3 (5.2–53.1)

0.213

II = III = IV

L1-4 BMD

1.077±0.203

1.023±0.185

1.094±0.197

1.119±0.228

0.388

II = III = IV

L1-4 Z score

0.60±1.53

0.09±1.36

0.79±1.50

0.98±1.68

0.222

II = III = IV

Femur neck BMD

0.874±0.146

0.905±0.169

0.860±0.141

0.856±0.127

0.578

II = III = IV

Femur neck Z score

0.41±1.09

0.58±1.30

0.31±1.03

0.31±0.93

0.719

II = III = IV

VAS-pain NDK

7 (3–10)

5 (3–9)

6.5 (3–10)

7 (4–9)

0.034

II = III, II < IV**, III = IV

OST score NDK

2 (1–4)

2 (1–2)

2.5 (2–3)

3 (2–4)

0.000

II < III***, II < IV***, III < IV**

Medial JSN score NDK

3 (2–4)

2 (2–2)

3 (2–3)

4 (3–4)

0.000

II < III***, II < IV***, III < IV***

SC sclerosis score NDK

1 (0–3)

1 (0–2)

1.5 (1–3)

2 (1–3)

0.000

II < III**, II < IV***, III < IV*

NDKMCC

0.5 (0–3)

0 (0–2)

1 (0–3)

2 (0–3)

0.002

II < III*, II < IV**, III < IV*

NDKLCC

0 (0–3)

0 (0–3)

0 (0–3)

1 (0–3)

0.388

II = III = IV

NDKTC

1 (0–6)

0 (0–5)

1.5 (0–3)

3 (0–6)

0.004

II = III, II < IV**, III = IV

MCTC

2 (0–6)

1 (0–3)

2 (0–4)

3 (0–6)

0.006

II = III, II < IV**, III < IV*

LCTC

1 (0–4)

1 (0–3)

0.5 (0–4)

1 (0–4)

0.683

II = III = IV

GTC

3 (0–9)

2 (0–5)

3 (0–6)

6 (0–9)

0.007

II = III, II < IV**, III < IV*

NDKPFCC

0 (0–2)

0 (0–2)

0 (0–2)

0 (0–2)

0.775

II = III = IV