Table 1 Mean annual age- and sex-standardized incidence rates (per 105 person-years) of multiple sclerosis for eight 5-year periods in Kuwait:1980–2019
From: Impact of the first Gulf war on multiple sclerosis risk in Kuwait: a quasi-experimental study
Study period | Mean annual age- and sex-standardized incidence rates (per 105 person-years) | 95% confidence interval | |
|---|---|---|---|
Lower limit | Upper limit | ||
1980-84 | 4.4 | 2.0 | 6.8 |
1985-89 | 6.2 | 0.6 | 11.8 |
1990-94 | 16.3 | 0.5 | 32.6 |
1995-99 | 23.8 | 1.4 | 46.2 |
2000-04 | 38.3 | 5.9 | 70.6 |
2005-09 | 59.3 | 14.5 | 104.0 |
2010-14 | 76.4 | 11.0 | 141.9 |
2015-19 | 48.3 | 7.9 | 88.6 |