Table 4.

Association between number of relapses and infections in the intervention and control groups

Number of InfectionsRelapse Rates (Episodes/Patient/Yr)aRate Ratio (95% CI)P
Intervention Group (n = 49)Control Group (n = 46)
No infections0.30.70.4 (0.1, 3.6)0.7
One or two infections1.51.21.3 (0.5, 3.0)0.7
Three or four infections1.21.60.7 (0.3, 1.5)0.6
More than four infections0.83.30.2 (0.1, 0.4)0.03
  • a The relapse rates are the mean incidence density rates.