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Comparison of concentrations of YKL40 at various levels of periodontal probing depths in periodontitis group
| Periodontal probing depth | YKL - 40 | P | ||||
|---|---|---|---|---|---|---|
| Number of subjects | Minimum | Maximum | Mean | SD | ||
| 5.0 | 1 | 62.2 | 62.2 | 62.200 | - | 0.005** |
| 6.0 | 7 | 53.4 | 65.7 | 59.286 | 4.2393 | |
| 7.0 | 4 | 53.5 | 67.6 | 58.175 | 6.5820 | |
| 8.0 | 2 | 71.6 | 74.4 | 73.000 | 1.9799 | |
| 10.0 | 1 | 81.5 | 81.5 | 81.500 | - | |
**Highly significant (P<0.01). SD: Standard deviation
