κ Statistic for estimated v measured cardiac index (CI)
| κ = 0.09 | Estimated CI | Total | |||
|---|---|---|---|---|---|
| Weighted κ = 0.169 | Low | Low to normal | High to normal | High | |
| Measured CI | |||||
| Low | 12 | 13 | 17 | 5 | 47 |
| Low to normal | 3 | 5 | 5 | 6 | 19 |
| High to normal | 0 | 2 | 4 | 7 | 13 |
| High | 1 | 12 | 8 | 12 | 33 |
| Total | 16 | 32 | 34 | 30 | 112 |
Strength of agreement for κ: < 0.20 poor; 0.21–0.40 fair; 0.4–0.60 moderate; 0.61–0.80 good; 0.81–1.00 very good.