Table 5 Sample statistics and incremental cost-effectiveness results
From: A cost-effectiveness analysis of a universal, preventative-focused, parent and infant programme
|  | Treatment group (n = 86) | Control group (n = 77) | Difference | 95% confidence interval |
|---|---|---|---|---|
Effect (PSOC) | ||||
 Mean | 0.71 | -3.20 | 3.91 | 1.44 to 6.38 |
 SE of mean | 0.93 | 0.85 |  |  |
Cost | ||||
 Mean | €7,027 | €4,811 | €2,216 | -€665 to €5096 |
 SE of mean | €1,345 | €593 |  |  |
Cost and effect | ||||
 Covariance | 2,080 | 3,841 | 79 |  |
 Correlation | 0.02 | 0.11 | 0.04 |  |