Table 13.
The durations of exposure and latency, smoking status and pathologic types of compensated lung cancers by the kinds of main carcinogens in Occupational lung diseases institute, Korea (2004-2011)
| Exposed substances (No. of lung cancer) | Exposure duration (years) | Latent duration (years) | Smoking status | No. (%) | Type of pathology | No. (%) | |
|---|---|---|---|---|---|---|---|
| Asbestos (30) | Mean ± S.D.a | 22.7 ± 8.4 | 26.5 ± 7.6 | Current-smoker | 18(60) | Adenocarcinoma | 12(40) |
| Median | 22 | 24.5 | Ex-smoker | 5(16.7) | Squamous cell ca | 12(40) | |
| Minb-Maxc | 10-50 | 16-50 | Never smoker | 6(20) | Others | 6(20) | |
| Crystalline silica (2) | Mean ± S.D.a | 22 ± 11.3 | 25.5 ± 13.4 | Current-smoker | 2(100) | Adenocarcinoma | 1(50) |
| Median | 22 | 25.5 | Ex-smoker | 0(0) | Squamous cell ca | 1(50) | |
| Minb-Maxc | 14-30 | 16-35 | Never smoker | 0(0) | Others | 0(0) | |
| Cr6+ & welding fume (11) |
Mean ± S.D.a | 22.3 ± 8.8 | 27.1 ± 7.0 | Current-smoker | 8(72.7) | Adenocarcinoma | 5(45.5) |
| Median | 22 | 29 | Ex-smoker | 1(9.1) | Squamous cell ca | 6(54.6) | |
| Minb-Maxc | 10-34 | 16-35 | Never smoker | 1(9.1) | Others | 0(0) | |
| Others (10) | Mean ± S.D.a | 21.3 ± 3.9 | 22.7 ± 4.3 | Current-smoker | 5(50) | Adenocarcinoma | 4(40) |
| Median | 22 | 22.5 | Ex-smoker | 2(20) | Squamous cell ca | 3(30) | |
| Minb-Maxc | 16-28 | 16-30 | Never smoker | 3(30) | Others | 3(30) | |
| Single exposure (11) | Mean ± S.D.a | 23.2 ± 11.0 | 30 ± 8.7 | Current-smoker | 7(63.6) | Adenocarcinoma | 5(45.5) |
| Median | 20 | 30 | Ex-smoker | 2(18.2) | Squamous cell ca | 3(27.3) | |
| Minb-Maxc | 10-50 | 19-50 | Never smoker | 2(18.2) | Others | 3(27.3) | |
| Co-exposure (20) | Mean ± S.D.a | 22.1 ± 6.8 | 24.8 ± 6.2 | Current-smoker | 12(63.2) | Adenocarcinoma | 8(40) |
| Median | 22 | 24 | Ex-smoker | 3(15.8) | Squamous cell ca | 9(45) | |
| Minb-Maxc | 10-34 | 16-35 | Never smoker | 4(21.1) | Others | 3(15) |
aS.D. is the abbreviation of standard deviation; bMin is minimal value; cMax is maximal value