Table 2 Age-standardized incidence and mortality rates of NPC per 100,000 during different time periods and the Estimated Annual Percent Changes (EAPC) in Sihui and Cangwu
Period | EAPC (p value) | |||||
|---|---|---|---|---|---|---|
1978–82 | 1983–87 | 1988–92 | 1993–97 | 1998–2002 | ||
Incidence Rate (number of cases) | ||||||
Sihui | ||||||
Male | 28.07 (167) | 28.68 (205) | 28.65 (235) | 28.03 (268) | 30.94 (284) | +1.73% (0.215) |
Female | 12.29 (91) | 14.79 (111) | 13.35 (116) | 11.81 (116) | 13.00 (117) | -1.12% (0.739) |
Cangwu | ||||||
Male | 17.81 (209) | 18.68 (225) | 19.43 (259) | 19.76 (280) | +3.57% (0.020) | |
Female | 7.44 (82) | 6.91 (78) | 7.23 (68) | 7.33 (96) | 0.00 (0.998) | |
Mortality Rate (number of cases) | ||||||
Sihui | ||||||
Male | 24.42 (143) | 20.49 (141) | 20.65 (166) | 19.56 (182) | 21.95 (195) | -2.56% (0.413) |
Female | 10.47 (80) | 9.43 (73) | 8.95 (76) | 9.01 (89) | 7.73 (70) | -6.32% (0.016) |
Cangwu | ||||||
Male | 12.53 (137) | 18.38 (213) | 18.41 (227) | 15.00 (201) | +5.56% (0.622) | |
Female | 4.97 (54) | 6.27 (71) | 7.26 (87) | 4.73 (61) | -0.019% (0.999) | |