Table 2 Descriptive analysis of the demographic characteristics, biomarker levels, and MT1A and MT2A SNPs.
Mean ± SD | Medium | IQR (25%-75%) | |
|---|---|---|---|
Age (years) | 42.40 ± 7.99 | 43.20 | 37.04–48.55 |
Job duration (years) | 12.94 ± 7.80 | 11.23 | 7.03–16.17 |
Body height (cm) | 162.28 ± 8.21 | 162.50 | 156.00–168.70 |
Body weight (kg) | 62.09 ± 11.18 | 61.20 | 53.45–70.20 |
Body mass index (kg/m2) | 23.49 ± 3.31 | 23.32 | 21.10–25.40 |
Systolic blood pressure (mmHg) | 123.19 ± 17.01 | 121.00 | 112.00–133.00 |
Diastolic blood pressure (mmHg) | 76.81 ± 10.96 | 76.00 | 69.00–83.00 |
Current blood lead (μg/dL) | 22.30 ± 13.34 | 21.10 | 11.80–31.00 |
Index of cumulative lead (μg/ × yr/dL) | 339.82 ± 304.62 | 259.90 | 116.70–449.34 |
Time-weighted ICL (μg/dL) | 24.98 ± 12.71 | 24.59 | 15.32–33.03 |
Serum uric acid (mg/dL) | 6.37 ± 1.53 | 6.20 | 5.20–7.30 |
Serum creatinine (mg/dL) | 0.95 ± 0.22 | 0.90 | 0.80–1.10 |
Urinary creatinine (mg/dL) | 190.11 ± 97.62 | 174.00 | 127.00–241.00 |
Urinary uric acid (mg/g Cr) | 36.88 ± 16.63 | 34.87 | 24.87–47.18 |
Urinary NAG (mg/g Cr) | 3.13 ± 1.88 | 2.66 | 1.94–3.78 |
Gender | Case Number (%) | ||
Female (%) | 212 (43.71%) | ||
Male (%) | 273 (56.29%) | ||
Smoking | Case Number (%) | ||
Yes (%) | 183 (37.73%) | ||
No (%) | 302 (62.27%) | ||
Drinking | Case Number (%) | ||
Yes (%) | 75 (15.46%) | ||
No (%) | 410 (84.53%) | ||
MT1A, rs11640851 | Case Number (%) | (HWE, p = 0.447) | |
AA | 99 (20.41%) | ||
AC | 231 (47.63%) | ||
CC | 155 (31.96%) | ||
MT1A, rs8052394 | Case Number (%) | (HWE, p = 0.631) | |
AA | 249 (51.34%) | ||
AG | 194 (40.00%) | ||
GG | 42 (8.66%) | ||
MT2A, rs10636 | Case Number (%) | (HWE, p = 0.508) | |
GG | 247 (50.93%) | ||
GC | 194 (40.00%) | ||
CC | 44 (9.07%) | ||
MT2A, rs28366003 | Case Number (%) | (HWE, p = 0.179) | |
AA | 381 (78.56%) | ||
AG | 101 (20.82%) | ||
GG | 3 (0.62%) |