Table 5.
Age (years) | CTD-ILD | ILD-only | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Population (n) | Deaths (n) | Person-years of follow-up | Mortality | Population (n) | Deaths (n) | Person-years of follow-up | Mortality | RR | 95% CI | P value | |
40–49 | 90 | 7 | 401.5 | 174.3 | 1002 | 38 | 4433.6 | 85.7 | 2.03 | 0.76–4.61 | 0.15 |
50–59 | 170 | 20 | 743.6 | 269.0 | 1559 | 107 | 6805.0 | 157.2 | 1.71 | 1.00–2.77 | 0.04 |
60–69 | 254 | 49 | 1054.7 | 464.6 | 2019 | 309 | 8418.7 | 367.0 | 1.26 | 0.97–1.71 | 0.15 |
70–79 | 172 | 52 | 686.9 | 757.0 | 1795 | 441 | 7176.5 | 614.5 | 1.23 | 0.90–1.64 | 0.18 |
> 80 | 35 | 13 | 126.3 | 1029.1 | 594 | 235 | 2091.1 | 1123.8 | 0.91 | 0.48–1.59 | 0.89 |
total | 721 | 141 | 3013.0 | 468.0 | 6969 | 1130 | 28,925.1 | 390.7 | 1.19 | 0.99–1.42 | 0.05 |
RR, Rate ratio; CI, confidence interval