Table 1 Contrast of general data between two groups
Indicators | Observation group (n = 400) | Controls (n = 400) | P |
|---|---|---|---|
Average age (years) | 45.63 ± 6.08 | 47.22 ± 4.55 | 3.723 |
Gender (cases) | 0.062 | ||
Male | 201 | 223 | |
Female | 199 | 177 | |
Length of stay (days) | 11.54 ± 2.73 | 10.73 ± 3.05 | 0.087 |
Type of disease (cases) | 0.059 | ||
Osteoarthritis of the knee | 135 | 128 | |
Necrosis of the femoral head | 100 | 104 | |
Fracture of the femoral trochanter | 79 | 72 | |
Knee ligament injuries | 59 | 61 | |
Meniscal injuries of the knee | 27 | 35 | |