Table 4. Intraclass correlation for reliability of serum parameters at three time points ( N = 13) .
| Parameter | Within 3 mL | Interpretation | Within 5 mL | Interpretation |
|---|---|---|---|---|
| Abbreviation: ICC, intraclass coefficient. ICC < 0.5: poor reliability. ICC 0.5–0.75: moderate reliability. ICC 0.75–0.9: good reliability. ICC > 0.9: excellent reliability. | ||||
| Sodium | 0.796 | Good | 0.759 | Good |
| Potassium | 0.986 | Excellent | 0.971 | Excellent |
| Calcium | 0.934 | Excellent | 0.943 | Excellent |
| Creatinine | 0.996 | Excellent | 0.992 | Excellent |
| Total bilirubin | 1 | Excellent | 1 | Excellent |
| Direct bilirubin | 1 | Excellent | 1 | Excellent |