Research Article
The Role of Immune Regulatory Cells in Nontraumatic Osteonecrosis of the Femoral Head: A Retrospective Clinical Study
Table 2
Demographic data of the ONFH group and the control group.
| | ONFH group (n = 67) | Control group (n = 58) | value |
| Age (years) | 43.6 ± 12.9 | 47.3 ± 9.3 | 0.067 | Gender (male/female) | 52/15 | 43/15 | 0.650 | Height (cm) | 170.7 ± 7.5 | 169.2 ± 5.6 | 0.204 | Weight (kg) | 70.3 ± 10.8 | 68.8 ± 13.9 | 0.523 | BMI (kg/m2) | 24.1 ± 3.3 | 25.4 ± 4.3 | 0.070 |
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