Correlation between CBC HB and paired POC/blood gas Hb
| Sample size | Mean Difference | Standard Deviation of Mean Difference | Pearson Coefficient (r), p value | |
|---|---|---|---|---|
| CBC vs POC Gas within 12 hours | 488 | 1.1 | 1.0 | 0.89, p < 0.05 |
| CBC vs POC Gas between 12–24 hours | 243 | 1.3 | 1.0 | 0.83, p < 0.05 |
| CBC vs POC Hgb within 12 hours | 477 | 1.0 | 1.0 | 0.87, p < 0.05 |
| CBC vs POC Hgb between 12–24 hours | 290 | 1.3 | 1.2 | 0.75, p < 0.05 |