Table 1.
Basic information of the subjects used in the present study.
| Parameter | Mean ± SD | Statistical significance | |||||
|---|---|---|---|---|---|---|---|
| Subjects (KBD grades) | Control (0) | KBD total (KBD) | KBD grade 1 (1) | KBD grade 2 (2) | KBD grade 3 (3) | ||
| Age (years) | 51.2 ± 8.6 | 52.1 ± 10.7 | 51.7 ± 12.2 | 54.1 ± 8.2 | 48.4 ± 11.3 | none | |
| Height (cm) | 161.0 ± 6.8 | 155.5 ± 9.8 | 158.0 ± 9.0 | 154.2 ± 7.6 | 150.4 ± 15.1 | 0-KBD**, 0–2*, 0–3* | |
| Weight (kg) | 59.0 ± 8.3 | 52.7 ± 9.4 | 54.7 ± 10.3 | 51.8 ± 8.5 | 48.0 ± 7.0 | 0-KBD**, 0–1*, 0–2**, 0–3** | |
| Body mass index (kg/m2) | 22.7 ± 2.6 | 21.7 ± 2.7 | 21.8 ± 2.9 | 21.7 ± 2.3 | 21.3 ± 2.8 | 0-KBD* | |
| Gender | Female Male | 70 28 |
32 17 |
17 7 |
11 7 |
4 3 |
|
Normal control subjects, n = 98; total KBD patients, n = 49; KBD grade 1, n = 24, KBD grade 2, n = 18 and KBD grade 3, n = 7. SD: standard deviation; KBD: Kashin-Beck disease; **stands for p value is equal or less than 0.001, *represents that p value is less than 0.05.