Table 1.
Observed variance for the patients aged 41, 63 and 87 years and the calculated 95% confidence intervals (CI) calculated under various models. The final column indicates whether the observed variance is contained within the CI for the four models and different ages
| N | Sigma | Age | Observed variance | 95% CI for variance | Observed variance consistent with model? |
|---|---|---|---|---|---|
| 4 | 0.75 | 41 | 0.67 | (0.20, 1.28) | Yes |
| 63 | 2.3 | (0.12, 1.25) | No | ||
| 87 | 1.4 | (0.12, 1.11) | No | ||
| 4 | 0.9 | 41 | 0.67 | (0.12, 1.19) | Yes |
| 63 | 2.3 | (0.20, 1.28) | No | ||
| 87 | 1.4 | (0.20, 1.37) | Yes | ||
| 8 | 0.9 | 41 | 0.67 | (0.20, 1.77) | Yes |
| 63 | 2.3 | (0.25, 2.03) | No | ||
| 87 | 1.4 | (0.28, 2.25) | Yes | ||
| 16 | 0.9 | 41 | 0.67 | (0.25, 3.36) | Yes |
| 63 | 2.3 | (0.28, 2.36) | Yes | ||
| 87 | 1.4 | (0.36, 2.75) | Yes |