Research Article
Real-Life Outcome in Multiple Sclerosis in the Czech Republic
Table 2
Marginal structural Cox model of the risk of relapses by treatment.
(a) |
| Analysis of Maximum Likelihood Estimates | with Sandwich Variance Estimate, IPTW weighted | Parameter | | DF | Parameter Estimate | Standard Error | StdErr Ratio | Chi-Square | Pr > ChiSq | Hazard Ratio |
| Treatment group | 1 | 1 | -0.26179 | 0.15279 | 1.180 | 2.9357 | 0.0866 | 0.770 | Treatment group | 2 | 1 | -0.05780 | 0.09597 | 1.390 | 0.3627 | 0.5470 | 0.944 | Treatment group | 3 | 1 | -0.38346 | 0.14685 | 1.351 | 6.8183 | 0.0090 | 0.682 |
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(b) |
| Analysis of Maximum Likelihood Estimates | with Sandwich Variance Estimate, Unweighted | Parameter | | DF | Parameter Estimate | Standard Error | StdErr Ratio | Chi-Square | Pr > ChiSq | Hazard Ratio |
| Treatment group | 1 | 1 | 0.22118 | 0.13351 | 1.162 | 2.7443 | 0.0976 | 1.248 | | Treatment group | 2 | 1 | 0.30767 | 0.09959 | 1.237 | 9.5443 | 0.0020 | 1.360 | | Treatment group | 3 | 1 | -0.07314 | 0.14171 | 1.237 | 0.2664 | 0.6058 | 0.929 | |
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