Table 2.
Number of cases and age-standardised incidence rates (ASR) per million persons per year by diagnostic group, sex and time period
| 1981 - 1988 | 1989 - 1995 | 1996 - 2002 | %annual | ||||||
|---|---|---|---|---|---|---|---|---|---|
| N | ASR (95% CI) | N | ASR (95% CI) | N | ASR (95% CI) | change | Pa | ||
| Osteosarcoma | All persons | 82 | 2.65 (2.07,3.22) | 71 | 2.85 (2.18,3.52) | 83 | 3.51 (2.75,4.28) | 2.54% | 0.02 |
| Male | 48 | 3.03 (2.17,3.88) | 44 | 3.44 (2.41,4.46) | 50 | 4.28 (3.08,5.47) | 3.13% | 0.08 | |
| Female | 34 | 2.27 (1.50,3.03) | 27 | 2.26 (1.48,3.30) | 33 | 2.74 (1.79,3.69) | 1.75% | 0.30 | |
| Chondrosarcoma | All persons | 37 | 1.10 (0.75,1.46) | 14 | 0.46 (0.25,0.78) | 22 | 0.74 (0.46,1.13) | -0.80% | 0.71 |
| Male | 20 | 1.19 (0.72,1.83) | 9 | 0.58 (0.26,1.11) | 18 | 1.23 (0.72,1.97) | 2.75% | 0.51 | |
| Female | 17 | 1.02 (0.59,1.63) | 5 | 0.35 (0.10,0.82) | 4 | 0.26 (0.07,0.66) | -3.77% | 0.14 | |
| Ewing sarcoma | All persons | 73 | 2.44 (1.88,3.00) | 42 | 1.75 (1.22,2.29) | 51 | 2.21 (1.60,2.83) | -0.44% | 0.72 |
| Male | 42 | 2.77 (1.93,3.61) | 29 | 2.40 (1.60,3.46) | 27 | 2.37 (1.55,3.45) | -1.00% | 0.47 | |
| Female | 31 | 2.11 (1.36,2.86) | 13 | 1.09 (0.58,1.87) | 24 | 2.06 (1.31,3.08) | 0.51% | 0.82 |
a. P value for test of no annual change