Baseline Characteristics

Control Group (n = 15)

Observation Group

(n = 18)

χ² or t

p

Gender Composition (Female: Male)

10:5

13:5

0.120

0.730

Average Age (years)

68.07 ± 3.37

68.39 ± 2.35

0.322

0.749

Defect Repair Site (U: BD: BS)^#

10:2:3

11:2:5

0.277

0.871

Primary Disease of Knee Joint (O: R: G)*

9:4:2

12:5:1

0.605

0.739

Comorbid Hypertension

9

10

0.066

0.798

Comorbid Diabetes

3

6

0.733

0.392

Comorbid Overweight (BMI ≥ 24)

12

13

0.270

0.604