Table 7.
Sensitivity analysis: estimates of Aboriginal cancer incidence, NSW 1999-2007, assuming 1-5% of all cancers with missing Aboriginal status are Aboriginal
| Proportion (%) missing assumed to be Aboriginal | Cases | Incidence1 per 100,000 (95%CI) | SIR (95% CI) | Risk to age 75, 1 in: |
|---|---|---|---|---|
| Persons |
|
|
|
|
| 0 |
2,318 |
493.4 (469.8-517.6) |
0.95 (0.92-0.99) |
3.3 |
| 1 |
2,700 |
587.7 (561.7-614.4) |
1.11 (1.07-1.15) |
2.9 |
| 2 |
3,083 |
678.6 (650.5-707.5) |
1.27 (1.22-1.31) |
2.6 |
| 3 |
3,466 |
771.6 (741.6-802.5) |
1.43 (1.38-1.47) |
2.4 |
| 4 |
3,849 |
864.5 (832.6-897.3) |
1.58 (1.53-1.63) |
2.2 |
| 5 |
4,232 |
955.3 (921.6-989.8) |
1.74 (1.69-1.79) |
2.1 |
| Males |
|
|
|
|
| 0 |
1,201 |
595.2 (554.1-638.1) |
0.97 (0.91-1.02) |
2.9 |
| 1 |
1,437 |
734.7 (688.4-782.8) |
1.16 (1.10-1.22) |
2.5 |
| 2 |
1,649 |
861.6 (811.0-914.1) |
1.33 (1.27-1.39) |
2.2 |
| 3 |
1,888 |
1,000 (945.7-1,057) |
1.52 (1.45-1.59) |
2.0 |
| 4 |
2,106 |
1,130 (1,072-1,191) |
1.70 (1.63-1.77) |
1.9 |
| 5 |
2,335 |
1,261 (1,199-1,325) |
1.88 (1.81-1.96) |
1.7 |
| Females |
|
|
|
|
| 0 |
1,117 |
419.7 (391.8-448.8) |
0.95 (0.89-1.00) |
3.8 |
| 1 |
1,263 |
481.3 (451.3-512.7) |
1.07 (1.01-1.13) |
3.4 |
| 2 |
1,434 |
546.9 (514.8-580.4) |
1.21 (1.15-1.28) |
3.1 |
| 3 |
1,578 |
606.0 (572.1-641.3) |
1.34 (1.27-1.40) |
2.9 |
| 4 |
1,743 |
672.8 (636.9-710.1) |
1.48 (1.41-1.55) |
2.7 |
| 5 | 1,897 | 735.0 (697.4-774.0) | 1.61 (1.53-1.68) | 2.5 |
1Directly age-standardised to 2001 Australian census population.