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MN levels according to TL in PBLs of study population
| MN |
||||
| TL | N | Median (range) | n (%) with MN >2a | |
| Cokeoven workers | >1.08 | 19 | 2 (1–11) | 8 (42) |
| ≤1.08 | 29 | 4 (1–9) | 22 (76)c* | |
| Controls | >1.08 | 28 | 0 (0–4) | 3 (11) |
| ≤1.08 | 16 | 1 (0–3) | 2 (13) | |
| All | >1.08 | 46 | 1 (0–11) | 11 (24) |
| ≤1.08 | 46 | 3 (0–9)b** | 24 (52)c** | |
Number and frequency (%) of subject with MN >2 median levels of MN.
Mann–Whitney U-test: Z = 2.59, **P = 0.009.
Chi-square test: Chi2 = 5.58; *P = 0.018 and Chi2 = 7.79; **P = 0.005.
