Table 4.
Prevalence in 2 years pre-baseline | Incidence in first year of follow-upa | Incidence in 10-year follow-upa | ||||
---|---|---|---|---|---|---|
Group | Rate per 10 000 persons | SPR (95% CI) | Rate per 10 000 person-years | SIR (95% CI) | Rate per 10 000 person-decades | SIR (95% CI) |
Controls | 249 | 1.00 | 167 | 1.00 | 1817 | 1.00 |
Back | 356 | 1.51 (1.35 to 1.69) | 280 | 1.79 (1.57 to 2.03) | 2135 | 1.25 (1.19 to 1.32) |
Knee | 278 | 1.12 (0.93 to 1.35) | 172 | 1.03 (0.80 to 1.31) | 2016 | 1.11 (1.02 to 1.20) |
Shoulder | 313 | 1.34 (1.10 to 1.61) | 195 | 1.24 (0.96 to 1.57) | 1977 | 1.13 (1.04 to 1.24) |
Neck | 279 | 1.22 (0.98 to 1.49) | 197 | 1.28 (0.98 to 1.64) | 2032 | 1.20 (1.09 to 1.31) |
Hand/wrist | 255 | 1.09 (0.87 to 1.35) | 156 | 0.99 (0.73 to 1.31) | 1793 | 1.03 (0.93 to 1.13) |
Foot | 279 | 1.17 (0.94 to 1.45) | 170 | 1.05 (0.78 to 1.39) | 1911 | 1.08 (0.98 to 1.19) |
Hip | 413 | 1.45 (1.16 to 1.79) | 252 | 1.34 (0.99 to 1.78) | 2249 | 1.15 (1.02 to 1.29) |
All cases | 322 | 1.32 (1.26 to 1.39) | 222 | 1.36 (1.28 to 1.45) | 2045 | 1.16 (1.13 to 1.19) |
SIR = Age- and sex-standardised incidence ratio. SPR = Age- and sex-standardised prevalence ratio.
In those without a cancer consultation in 2 years pre-baseline.