Table 1.
Results of the chromate-exposed group and control group
| Indexes | Group | Exposed group | Control group | T | χ2 | P |
|---|---|---|---|---|---|---|
| (n=84) | (n=30) | |||||
| Age |
 ±S |
35.73±7.85 | 34.83±8.83 | 0.432 | 0.666 | |
| ≤35 | n (%) | 40 (47.62) | 17 (56.67) | 0.187 | 0.493 | |
| >35 | 44 (52.38) | 13 (43.33) | ||||
| Gender | n (%) | |||||
| Male | 62 (73.81) | 19 (63.33) | 0.869 | 0.351 | ||
| Female | 22 (26.19) | 11 (36.67) | ||||
| Smoke | n (%) | |||||
| Yes | 30 (35.71) | 8 (26.67) | 0.610 | 0.435 | ||
| No | 54 (64.29) | 22 (73.33) | ||||
| Alcohol | n (%) | |||||
| Yes | 29 (34.52) | 16 (53.33) | 2.530 | 0.092 | ||
| No | 55 (65.48) | 9 (46.67) | ||||
| CrA |
 ±S |
15.45±19.00 | 0.23±0.38 | 6.963 | <0.001 | |
| CrB |
 ±S |
9.45±9.47 | 4.05±1.87 | 3.215 | 0.018 | |
| 8-OHdG (µg/g Cre) (‰) |
 ±S |
43.76±34.89 | 27.21±13.76 | 3.354 | <0.001 | |
| MNCC | M(Q) | 6.00 (4.00) | 3.20 (2.10) | 2.420 | 0.004 | |
| MNC | M(Q) | 7.40 (4.47) | 3.74 (2.94) | 3.401 | 0.001 | |
| NBUD | M(Q) | 1.11 (1.20) | 1.16 (1.17) | 0.163 | 0.871 | |
| NPB | M(Q) | 1.28 (1.15) | 1.42 (1.34) | 0.476 | 0.635 |
Note: ‘Smoke’ refers to ≥1 cigar per day and last >1 year; smoking cessation <1 year were also included.
‘Alcohol’ refers to alcohol consumption ≥3 times per week.