Categorical Variables | No. | Percentage (%) | Pb levels | p-value | Statistics | No. of C34.901 (Pb levels) | No. of non-C34.901 (Pb levels) | |
---|---|---|---|---|---|---|---|---|
Gender | Male | 7645 | 57.23% | 22.00 | p < 0.01 | −7.40a | 15 (50.20) | 101 (24.00) |
Female | 5713 | 42.77% | 20.00 | 15 (36.80) | 105 (23.98) | |||
Age | <  18 | 5042 | 37.83% | 24.22 | p < 0.01 | 596.34b | – | 14 (24.50) |
18–45 | 2581 | 19.37% | 25.00 | 1 (6.20) | 52 (19.00) | |||
45–60 | 1839 | 13.80% | 24.20 | 8 (53.03) | 68 (26.92) | |||
>  60 | 3866 | 29.01% | 16.00 | 21 (45.34) | 78 (22.00) | |||
Ethnic group | Han | 12,762 | 95.17% | 20.21 | p < 0.01 | −38.54a | 30 (46.44) | 205 (23.98) |
Minority | 647 | 4.83% | 24.30 | – | 7 (25.60) | |||
Blood type (ABO) | A | 1550 | 27.87% | 20.00 | p > 0.05 | 6.54b | 3 (47.53) | 48 (20.85) |
B | 1696 | 30.49% | 19.29 | 4 (25.11) | 36 (25.00) | |||
O | 1806 | 32.47% | 20.11 | 2 (33.47) | 50 (20.50) | |||
AB | 510 | 9.17% | 19.20 | 4 (32.75) | 9 (37.14) | |||
Blood type (Rh) | Negative | 73 | 1.47% | 43.47 | p < 0.01 | −7.05a | 2 (72.45) | 0 |
Positive | 4892 | 98.53% | 19.33 | 13 (36.00) | 131 (21.00) | |||
Visit times | First | 6770 | 50.49% | 24.00 | p < 0.01 | −12.42a | 13 (56.67) | 115 (26.00) |
Not first | 6638 | 49.51% | 19.11 | 17 (30.00) | 98 (20.55) | |||
Treatment results | Cured | 4890 | 36.56% | 24.00 | p < 0.01 | 213.66b | 2 (43.91) | 47 (25.00) |
Improved | 7800 | 58.31% | 19.39 | 8 (16.65) | 127 (22.00) | |||
Invalid | 41 | 0.31% | 25.00 | – | – | |||
Untreated | 112 | 0.84% | 26.00 | 1 (36.00) | 9 (20.20) | |||
Died | 55 | 0.41% | 23.00 | 3 (15.11) | 3 (32.00) | |||
Others | 479 | 3.58% | 33.80 | 16 (56.67) | 27 (39.54) |