Table 5.
Mortality Ratios, Age at Time of Death, Years of Potential Life Lost and Gained and Cox Hazard model: ACO Intervention Group Versus Non-ACO Control Group. PSM.
| Time period after enrollment | ACO intervention group: 8006 |
Non-ACO control group: 8006 |
Unmatched: 1077 |
||||
|---|---|---|---|---|---|---|---|
| Deceased insurees |
Deceased insurees |
Pearson chi- square test for mortality t-test sig. P < 0.05 | |||||
| n | % | YPLLG (LE—age at the time of death) | n | % | YPLLG (LE—age at the time of death) | ||
| 1/2 year | 20 | 0.25% | −325 | 49 | 0.61% | −806 | * |
| Year 1* | 28 | 0.35% | −514 | 45 | 0.56% | −624 | * |
| Year 2 | 71 | 0.89% | −1511 | 112 | 1.40% | −2029 | * |
| Year 3 | 99 | 1.24% | −1936 | 116 | 1.45% | −1561 | |
| Year 4 | 89 | 1.11% | −1735 | 103 | 1.29% | −1781 | |
| Year 5** | 103 | 1.29% | −2213 | 135 | 1.69% | −2302 | * |
| Total (without 1/2 year) | 390 | 4.87% | −7910 | 511 | 6.38% | −8296 | * |
| Average YPLLG (SD) | −20.3 | (14.823) | 95%CI(-21.8;-18.8) | −16.2 | (16.569) | 95%CI(-17.7;-14.8) | |
| Average age at time of death (SD) | 80.1 | (11.1) | 95%CI(79; 81.2) | 77.3 | (12.4) | 95%CI(76.2; 78.3) | |
|
Cox Hazard Ratio | ||||||
|---|---|---|---|---|---|---|
| Coef | exp (coef) | se (coef) | robust se | z | Pr (>|z|) | |
| treatT | −0.296 | 0.744 | 0.0693 | 0.0693 | −4.268 | 1.97e-05 *** |
| Concordance | 0.537 (se = 0.008) | |||||
| Likelihood ratio test | 18.43 on 1 df, p = 2e-05 | |||||
| Wald test | 18.22 on 1 df, p = 2e-05 | |||||
| Score (logrank) test | 18.35 on 1 df, p = 2e-05, Robust = 18.38 p = 2e-05 | |||||
*Without first ½ year.
**Participants joining in the last period followed for 4.5 years.