TableĀ 2

Observed (MS obs) and expected (MS exp) numbers of people in the HIV cohort who had a subsequent record of multiple sclerosis (MS), shown by age at entry to the HIV cohort and by time interval from the first HIV record to the first MS record; rate ratios and 95% CIs

Age at entry to HIV cohort (years)Time interval (years)MS obsMS expRR (95% CI)
AllAll718.30.38 (0.15 to 0.79)
All1+415.80.25 (0.07 to 0.65)
All5+16.70.15 (<0.01 to 0.83)
<45All313.90.22 (0.04 to 0.63)