Table 1

Proportion (%) of diagnoses type for NPC incident cases, Mortality vs. incidence (M:I) ratios for males and females during different time periods in the Sihui and Cangwu Cancer Registries

Period

Diagnoses type in Sihui

Diagnosis type in Cangwu

M:I Ratio in Sihui

M:I Ratio in Cangwu





Histological verification

Clinical deduction

Death certificate

Histological verification

Clinical deduction

Death certificate

Male

Female

Male

Female


1978–82

89.1

10.1

0.80

-

-

-

0.87

0.85

-

-

1983–87

89.6

9.50

0.90

95.5

2.41

2.06

0.71

0.64

0.70

0.67

1988–92

87.7

10.0

2.30

96.0

1.65

2.31

0.72

0.67

0.98

0.91

1993–97

85.2

13.0

1.80

96.5

2.02

1.44

0.70

0.76

0.95

1.00

1998–2002

90.3

8.90

0.80

97.3

1.06

1.60

0.71

0.59

0.76

0.65


Jia et al. BMC Cancer 2006 6:178   doi:10.1186/1471-2407-6-178

Open Data