Table 3.
Correlation between Hb amount and clinical and biochemical parameters (n = 152 sites)
| Clinical and biochemical parameters | Mean ± SD | Correlation coefficient | First quartile | Median | Third quartile |
|---|---|---|---|---|---|
| PlI | 0.4 ± 0.6 | 0.178* | 0.0 | 0.0 | 1.0 |
| GCF amount (μl/pocket) | 0.9 ± 0.7 | 0.399*** | 0.3 | 0.6 | 1.2 |
| PD (mm) | 3.5 ± 1.6 | 0.322*** | 2.0 | 4.0 | 5.0 |
| CAL (mm) | 4.9 ± 2.6 | 0.271*** | 3.0 | 4.0 | 6.5 |
| GI | 0.7 ± 0.8 | 0.365*** | 0.0 | 1.0 | 1.0 |
| BOP | 0.5 ± 0.5 | 0.368*** | 0.0 | 0.5 | 1.0 |
| ABR ratio (%) | 31.1 ± 26.6 | 0.265*** | 6.8 | 28.6 | 48.7 |
| ALP activity (μU/pocket) | 262.1 ± 633.1 | 0.407*** | 22.8 | 64.1 | 174.4 |
| Protein amount (μg/pocket) | 23.5 ± 21.6 | 0.529*** | 8.8 | 17.1 | 28.6 |
Hb amount = 68.9 ± 49.5 ng/pocket
***P < 0.001, *P < 0.05