粉尘与尘肺__培训课件.ppt

Figure 1. Annual silica dust concentrations, average of all job titles in different mines/factories in China, 1950–2003. Table 3. Estimated HRs for total and cause-specific mortality associated with CDE in the cohort (n = 74,040), 1960–2003. Cause of Death (ICD-10 Codes) No. of Events HR Increase per 1 mg/m3-y Increase in CDE HRs for Levels of CDE versus Unexposed Low Medium High p Trend Malignant neoplasms (C00–C97) 3,621 0.982 (0.972–0.991) 1.20 (1.09–1.32) 1.13 (1.03–1.24) 0.97 (0.88–1.07) 0.06 Malignant neoplasm of nasopharynx (C11) 176 0.942 (0.895–0.991) 0.96 (0.63–1.48) 0.83 (0.55–1.24) 0.58 (0.36–0.93) 0.02 Malignant neoplasm of liver and intrahepatic bile ducts (C22) 1,001 0.972 (0.953–0.991) 1.15 (0.96–1.37) 1.02 (0.86–1.22) 0.87 (0.72–1.06) 0.05 Lung cancer (C33–C34) 949 1.005 (0.987–1.023) 1.45 (1.19–1.75) 1.53 (1.27–1.84) 1.46 (1.19–1.78) 0.01 Certain infectious and parasitic diseases (A00–B99, J65) 3,401 1.062 (1.055–1.068) 1.31 (1.09–1.56) 2.70 (2.36–3.08) 3.83 (3.38–4.35) 0.001 Respiratory tuberculosis (A15–A16, J65) 3,100 1.065 (1.059–1.071) 1.30 (1.06–1.60) 3.14 (2.71–3.64) 4.53 (3.94–5.20) 0.001 CVDs (I00–I52, I70–I99) 4,425 1.031 (1.025–1.036) 1.08 (0.96–1.21) 1.42 (1.29–1.57) 1.86 (1.71–2.03) 0.001 Pulmonary heart diseases (I26–I27) 2,729 1.050 (1.044–1.056) 1.08 (0.88–1.33) 2.32 (2.01–2.67) 3.44 (3.01–3.92) 0.001 Hypertensive heart disease (I11) 391 0.977 (0.955–0.999) 0.87 (0.62–1.24) 0.83 (0.63–1.11) 0.86 (0.66–1.12) 0.44 Ischemic heart disease (I20–I25) 624 0.971 (0.950–0.994) 1.25 (0.99–1.56) 1.03 (0.82–1.29) 0.80 (0.63–1.02) 0.01 Chronic rheumatic heart disease (I05–I09) 123 0.979 (0.934–1.026) 1.29 (0.74–2.25) 1.16 (0.70–1.92) 0.94 (0.56–1.58) 0.54 Cerebrovascular diseases (I60–I69) 2,662 0.997 (0.988–1.006) 1.01 (0.89–1.13) 0.89 (0.79–0.99) 0.90 (0.81–1.00) 0.05 Diseases of the respiratory system (J00–J99) 4,309 1.069 (1.064–1.074) 1.89 (1.60–2.24) 4.28 (3.74–4.91) 6.68 (5.85–7.61) 0.001 Pneumoconiosis (J60–J65)d 2,857 1.060 (1.053–1.06