Table 1
Comparison of lab values in different groups.
| TEST LEVEL | GROUP | BASELINE MEDIAN (IQR) | FOLLOW-UP MEDIAN (IQR) | MEAN DIFFERENCE | WILCOXON p-VALUE |
|---|---|---|---|---|---|
| BLL (µg/dL) | 1 | 128 (-a) | 17.6 (-a) | –90.83 | 0.109 |
| 2 | 110 (83–127.9) | 39.01 (28.22–46.45) | –60.83 | 0.002 | |
| 3 | 128 (105.35–173.5) | 29.8 (26.57–36.92) | –104.83 | 0.000 | |
| KW* p-value | 0.189 | 0.133 | 0.129 | – | |
| Hb (g/dL) | 1 | 8.5 (-a) | 16.9 (-a) | 7.5 | 0.109 |
| 2 | 10.27 (9.22–11.42) | 15.65 (15.25–16.15) | 4.76 | 0.001 | |
| 3 | 9.67 (8.05–11.12) | 14.9 (13.7–15.77) | 5.22 | 0.000 | |
| KW p-value | 0.276 | 0.144 | 0.113 | – | |
| Cr (mg/dL) | 1 | 1 (-a) | 1.13 (-a) | 0.01 | 1 |
| 2 | 1.06 (0.87–1.2) | 1 (0.87–1.01) | –0.19 | 0.028 | |
| 3 | 1 (1.07–0.9) | 1.05 (0.9–1.2) | 0.03 | 0.254 | |
| KW p-value | 0.508 | 0.341 | 0.299 | – | |
| BUN (mg/dL) | 1 | 30 (-a) | 43 (-a) | –6.97 | 1 |
| 2 | 29.73 (22.25–31.25) | 28.5 (23.47–36.5) | 1.49 | 0.683 | |
| 3 | 21.5 (15.75–33) | 35.5 (24–40.25) | 8 | 0.071 | |
| KW p-value | 0.342 | 0.515 | 0.780 | – | |
| Hct (%) | 1 | 26.6 (-a) | 45.5 (-a) | 19.23 | 0.109 |
| 2 | 32.6 (25.7–37.4) | 44.9 (41.92–47.45) | 11.77 | 0.003 | |
| 3 | 28.4 (24.6–35.05) | 44.1 (41.5–45.77) | 13.79 | 0.000 | |
| KW p-value | 0.283 | 0.6 | 0.159 | – | |
| AST (U/L) | 1 | 112 (-a) | 18 (-a) | –69.66 | 0.109 |
| 2 | 53 (35–58.7) | 21.8 (18–27.5) | –24.86 | 0.004 | |
| 3 | 46.5 (32–83.25) | 25.5 (17.7–37.25) | –33.72 | 0.001 | |
| KW p-value | 0.473 | 0.705 | 0.461 | – |
[i] a Interquartile range (IQR) is not calculated for Group 1. KW = Kruskal Wallis.
Figure 1
Baseline and follow-up BLL values in three distinct groups.
Figure 2
Baseline and follow-up hemoglobin values in three distinct groups.
Table 2
Blood lead level in administered chelating agents during hospitalization and follow-up.
| TREATMENT | EDTA (n = 3) | D-PENICILLAMINE (n = 19) | BAL+EDTA (n = 9) | EDTA+D-PENICILLAMINE (n = 4) | KW TEST |
|---|---|---|---|---|---|
| *On-arrival BLL (µg/dL) | 69.4 [50, –] (50, 125) | 116.9 [86.7, 147] (37, 200) | 108 [83.7, 175] (67, 200) | 147.5 [101.2, 226] (90, 248) | 0.277 |
| *Follow-up BLL (µg/dL) | 29.5 [6.1, –] (6.1, 39.4) | 32.2 [26.9, 41.5] (7.1, 58.2) | 29.1 [20.6, 33.9] (17.16, 53.4) | 42.2 [31.8, 53.6] (29.1, 56.7) | 0.272 |
| *BLL difference (µg/dL) | 63.3 [20.5, –] (6.1, 39.4) | 78.5 [60.5, 115.1] (-15.9, 168.9) | 77.5 [46, 105.8] (40.9, 176.8) | 112.9 [60.7, 173.4] (45.7, 191.3) | 0.480 |
[i] * Median [IQR] (min, max); KW = Kruskal Wallis.