Table 12 The durations of exposure and latency, smoking status and pathologic types of compensated lung cancers by the kinds of main carcinogens in KOSHA, Korea (1994-2011)
Exposed substances (No. of lung cancer) | Exposure duration (years) | Latent duration (years) | Smoking status | No. (%) | Type of pathology | No. (%) | |
|---|---|---|---|---|---|---|---|
Asbestos (87) | Mean ± S.D.a | 20.1 ± 7.3 | 24.0 ± 7.7 | Current-smoker | 37(47.4) | Adenocarcinoma | 34(57.6) |
Median | 21.0 | 24.0 | Ex-smoker | 10(12.8) | Squamous cell ca | 15(25.4) | |
Minb-Maxc | 2.5-38 | 7-40 | Never smoker | 31(39.7) | Others | 10(17.0) | |
Crystalline silica (42) | Mean ± S.D.a | 19.1 ± 7.0 | 24.4 ± 10.8 | Current-smoker | 13(37.1) | Adenocarcinoma | 12(48.0) |
Median | 18.3 | 21.5 | Ex-smoker | 6(17.1) | Squamous cell ca | 10(40.0) | |
Minb-Maxc | 7-32 | 7-61 | Never smoker | 16(45.7) | Others | 3(12.0) | |
Cr6+ & welding fume (40) | Mean ± S.D.a | 20.2 ± 7.2 | 21.5 ± 7.2 | Current-smoker | 20(54.1) | Adenocarcinoma | 12(44.4) |
Median | 20.0 | 21 | Ex-smoker | 3(8.1) | Squamous cell ca | 11(40.7) | |
Minb-Maxc | 9-41 | 9-41 | Never smoker | 14(37.8) | Others | 4(14.8) | |
Others (10) | Mean ± S.D.a | 18.1 ± 4.7 | 18.6 ± 4.5 | Current-smoker | 4(40.0) | Adenocarcinoma | 6(66.7) |
Median | 16.5 | 17.0 | Ex-smoker | 2(20.0) | Squamous cell ca | 2(22.2) | |
Minb-Maxc | 15-16 | 15-16 | Never smoker | 4(40.0) | Others | 1(11.1) | |
Single exposure (87) | Mean ± S.D.a | 19.6 ± 6.7 | 22.8 ± 8.0 | Current-smoker | 32(43.8) | Adenocarcinoma | 22(46.8) |
Median | 20.0 | 22.0 | Ex-smoker | 6(8.2) | Squamous cell ca | 16(34.0) | |
Minb-Maxc | 2.5-35.0 | 7-41.0 | Never smoker | 35(47.9) | Others | 9(12.3) | |
Co-exposure (92) | Mean ± S.D.a | 20.1 ± 7.3 | 23.6 ± 8.8 | Current-smoker | 42(48.3) | Adenocarcinoma | 42(57.5) |
Median | 20.0 | 23.0 | Ex-smoker | 15(17.2) | Squamous cell ca | 22(30.1) | |
Minb-Maxc | 2.5-41.0 | 7.0-61.0 | Never smoker | 30(34.5) | Others | 9(12.3) |