Table 1

Mortality from specific causes among graphite electrode manufacturing workers

Cause of death (ICD 9th)Observed deathsExpected deathsSMR95% CI
SMR, standardised mortality ratio point estimate; 95% CI, 95% confidence interval of the SMR.
All causes (001–999)541376.191.441.32 to 1.56
Infectious and parasitic diseases (001–139)67.110.840.31 to 1.84
Malignant neoplasms (140–208)141110.951.271.07 to 1.50
Lips, mouth, and pharynx (140–149)83.82.100.91 to 4.14
Oesophagus (150)62.742.190.8 to 4.77
Stomach (151)1713.361.270.74 to 2.04
Colon (153)45.890.680.18 to 1.74
Rectum (154)3.350.000.00 to 0.89
Liver (155)245.734.192.68 to 6.23
Pancreas (157)34.060.740.15 to 2.16
Larynx (161)53.81.320.43 to 3.07
Lung (162)3232.890.970.67 to 1.37
Pleura (163)0.630.000.00 to 4.73
Bone and articular cartilage (170)20.92.220.27 to 8.04
Connective tissue (171)10.25.040.13 to 28.1
Melanoma (172)10.731.370.03 to 7.63
Prostate (185)105.61.780.86 to 3.28
Bladder (188)54.611.080.35 to 2.53
Kidney (189)42.191.830.50 to 4.68
Brain (191)22.280.880.11 to 3.16
Lymphomas (200–202)33.130.960.20 to 2.80
Leukaemia (204–208)13.390.300.01 to 1.65
Diseases of the circulatory system (390–459)126143.080.880.73 to 1.05
Diseases of the respiratory system (460–519)10826.754.043.31 to 4.87
Silicosis (500, 502)791.1966.3952.56 to 82.74
Diseases of the digestive system (520–579)4930.151.631.20 to 2.15
Liver cirrhosis and other chronic diseases (571)3619.221.871.31 to 2.59
Injury and poisoning (800–999)3526.341.330.93 to 1.85