|  | 5 months | 9 months | 12 months | 24 months | ||||
---|---|---|---|---|---|---|---|---|---|
 |  | Ratio | 95% CI | Ratio | 95% CI | Ratio | 95% CI | Ratio | 95% CI |
 | Overall | 32 | 31.73 - 32.27 | 39 | 38.73 - 39.27 | 25 | 24.69 - 25.31 | 71 | 70.75 - 71.25 |
IFN-γ:IL-4 | SP | 26 | 25.64 - 26.36 | 32 | 31.62 - 32.38 | 21 | 20.61 - 21.39 | 56 | 55.62 - 56.38 |
 | Placebo | 40 | 39.62 - 40.38 | 49 | 48.62 - 49.38 | 31 | 30.54 - 31.46 | 91 | 90.68 - 91.32 |
 | Overall | 14 | 13.80 - 14.20 | 8 | 7.79 - 8.21 | 8 | 7.78 - 8.22 | 4 | 3.69 - 4.31 |
TNF:IL-10 | SP | 13 | 12.71 - 13.29 | 8 | 7.73 - 8.27 | 8 | 7.70 - 8.30 | 4 | 3.58 - 4.42 |
 | Placebo | 14 | 13.73 - 14.27 | 8 | 7.69 - 8.31 | 8 | 7.67 - 8.33 | 5 | 4.55 - 5.45 |