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Table 2 Number of cases and age-standardised incidence rates (ASR) per million persons per year by diagnostic group, sex and time period

From: The epidemiology of bone cancer in 0 - 39 year olds in northern England, 1981 - 2002

    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
  1. a. P value for test of no annual change