Introduction
Methods
Results
Characteristic | Unadjusted IRR *,a | 95% CI** | Adjusted IRR | 95% CI | p-value |
---|---|---|---|---|---|
Age (years) at diagnosis | |||||
< 30 | 1.00 | – | 1.00 | – | < 0.001 |
30–39 | 2.81 | 0.94–8.35 | 2.11 | 1.06–4.22 | < 0.001 |
40–49 | 23.80 | 8.51–66.56 | 10.01 | 5.37–18.64 | < 0.001 |
50–59 | 69.45 | 25.62–188.62 | 33.89 | 18.49–62.09 | < 0.001 |
60–69 | 220.92 | 82.02–595.02 | 92.40 | 50.42–169.34 | < 0.001 |
≥ 70 | 382.55 | 141.92–1031.18 | 262.52 | 143.52 – 480.20 | < 0.001 |
Sex | |||||
Female | 1.00 | – | 1.00 | – | |
Male | 1.51 | 0.77–2.94 | 1.22 | 0.99–1.49 | 0.058 |
Nativity | |||||
Non-Kuwaiti | 1.00 | – | 1.00 | – | < 0.001 |
Kuwaiti | 1.16 | 0.60–2.27 | 1.83 | 1.49–2.24 | |
Period | |||||
1980-84 | 1.00 | – | 1.00 | – | – |
1985-89 | 0.54 | 0.18–1.56 | 0.60 | 0.42–0.85 | 0.004 |
1990-94 | 0.13 | 0.05 – 0.39 | 0.11 | 0.08–0.15 | < 0.001 |
1995-99 | 0.13 | 0.05 – 0.39 | 0.08 | 0.06–0.12 | < 0.001 |
2000-04 | 0.06 | 0.02 – 0.18 | 0.05 | 0.04–0.08 | < 0.001 |
2005-09 | 0.05 | 0.02 – 0.16 | 0.04 | 0.03–0.06 | < 0.001 |
2010-14 | 0.06 | 0.02 – 0.19 | 0.04 | 0.03–0.06 | < 0.001 |
2015-19 | 0.01 | 0.00–0.03 | 0.01 | 0.01–0.02 | < 0.001 |