Table 3.
Descriptive and Reliability Statistics of Volumetric Quantitative Measurements of Effusion. Intraclass Coefficient Correlations Demonstrated Excellent Intra-Rater and Inter-Rater Reliability
| Rater 1 - Time Point 1 (Mean) | Rater 1 - Time Point 2 (Mean) | SDpooled | ICC3,1 (95% CI) | SEM | MDC (95%) | |
|---|---|---|---|---|---|---|
| EV (mL) | 6.95 | 6.63 | 7.563 | 0.993 (0.9810.997) | 0.052 | 0.145 |
| Rater 1 - Time Point 1 (Mean) | Rater 2 (Mean) | SDpooled | ICC3,1 (95% CI) | SEM | MDC (95%) | |
| EV (mL) | 6.95 | 6.08 | 6.380 | 0.974 (0.9070.991) | 0.182 | 0.504 |
Abbreviations: EV, effusion volume; mL, milliliters; SD, standard deviations; ICC, intraclass correlation coefficients; SEM, standard error of mean; MDC, minimal detectable change.