Table 2 On-presentation lab tests
From: Lead poisoning; a neglected potential diagnosis in abdominal pain
Patients with BLL ≤ 30 mg/dL N = 97 | Patients with BLL ≥ 30 mg/dL N = 28 | P value | Total N = 125 | |
|---|---|---|---|---|
Median [IQR] WBC (mcL) min-max | 7‚800 [6,700, 9,375] | 12‚100 [8,800, 13,700] | <0.001 | 8‚400 [6,800, 10,200] |
3‚200–23,000 | 5‚100–25,800 | 3‚200–25,800 | ||
Median [IQR] HCT (%) | 39 [36.9, 42.1] | 35.10 [29.3, 38.8] | 0.001 | 38.50 [35.1, 42.0] |
min-max | 10.0–50.7 | 22.5–44.2 | 10.0–50.7 | |
Median [IQR] RBC (milion/mm3) | 4.43 [3.95, 4.90] | 4.16 [3.32, 4.50] | 0.016 | 4.33 [3.90, 4.85] |
min-max | 1.10–6.29 | 2.60–5.32 | 1.10–6.29 | |
Median [IQR] Hgb (g/dL) | 13.8 [12.1, 14.7] | 11.70 [9.6, 13.0] | 0.000 | 13.0 [11.7, 14.3] |
min-max | 3.0–17.2 | 7.4–15.2 | 3.0–17.2 | |
Median MCV (fL) | 87.0 [84.0, 89.0] | 87 [82.5, 92.0] | 0.756 | 87 [83.0, 89.9] |
min-max | 61.5–116.0 | 77–95.71 | 61.50–116 | |
Median LDH (U/L) | 396.0 [327.5, 560.0] | 462.0 [414.5, 610.2] | 0.023 | 415.0 [353.0, 581.0] |
min-max | 30.0–2108.0 | 299.0–890.0 | 30.0–2108.0 | |
Median PLT (109/L) | 201.5 [176.5, 242.0] | 242 [185.2, 306.0] | 0.013 | 209.5 [179.2, 248.7] |
min-max | 61.0–540.0 | 98.0–435.0 | 61.0–540.0 | |
Median AST (U/L) | 20.0 [14.0, 30.0] | 34.0 [123.2, 60.5] | <0.001 | 22.0 [16.0, 35.0] |
min-max | 10.0–469.0 | 12.0–197.0 | 10.0–469.0 | |
Median ALT (U/L) | 19.0 [15.5, 27.0] | 36.0 [19.2, 68.0] | 0.003 | 21.0 [15.0, 37.0] |
min-max | 10.0–1122.0 | 12.0–219.0 | 10.0–1122.0 | |
Median BS (mg/dL) | 103 [91, 123] | 123 [111, 168] | 0.001 | 109 [94, 136] |
min-max | 49–368 | 95–367 | 49–367 | |
Median BUN (mg/dL) | 28.5 [20.0, 40.8] | 30.0 [23.0, 43.0] | 0.342 | 30.0 [20.0, 42.0] |
min-max | 10.0–204.0 | 12.5–131.0 | 10.0–204.0 | |
Median Cr (mg/dL) | 1.1 [0.9, 1.2] | 11 [1.0, 1.1] | 0.495 | 1.1 [0.9, 1.2] |
min-max | 0.7–3.4 | 0.7–1.3 | 0.7–3.4 | |
Median Na (mEq/L) | 139.5 [138.0, 142.0] | 137.0 [135.0, 140.0] | 0.038 | 139.0 [137.0, 141.0] |
min-max | 125.0–145.0 | 130.0–148.0 | 125.0–148.0 | |
Mean (SD) K (mEq/L) | 4.0 (0.4) | 4.1 (0.4) | 0.295 | 4.1 (0.4) |
min–max | 3.7–4.3 | 4.0–4.3 | 3.8–4.3 | |
Median [IQR] ESR (mm/h) | 6.0 [2.0,15.0] | 21.0 [8.5, 45.5] | 0.034 | 8.5 [3.2, 28.7] |
min-max | 1.0–51.0 | 3.0–86.0 | 1.0–86.0 | |
Median [IQR] CRP (mg/L) | 7.0 [3.0, 41.0] | 6.8 [1.4, 77.2] | 0.934 | 7.0 [2.7, 43.0] |
min-max | 0.2–155 | 0.2–96.5 | 0.2–155.0 | |
Median [IQR] Amylase (U/L) | 62 [42, 76] | 53 [31, 91] | 0.405 | 58 [36, 79] |
min-max | 11–293 | 16–102 | 11–293 | |
Median [IQR] Lipase (U/L) | 29 [20, 37] | 21 [20, 37] | 0.406 | 28 [20, 37] |
min-max | 16–103 | 9–114 | 9–114 | |
Median [IQR] Troponine (ng/mL) | 0.0015 [0.0002] | 0.0010 [0.0010, 0.1027] | 0.815 | 0.0010 [0.0010, 0.0160] |
min-max | 0.000–1.500 | 0.000–0.385 | 0.000–1.500 | |
Median [IQR] CPK (U/L) | 86 [52, 177] | 137 [63, 366] | 0.205 | 93 [60, 225] |
min-max | 2.5–3758 | 35–2742 | 2.5–3758 | |
Median [IQR] CK MB (U/L) | 15 [12, 22] | 18 [10, 24] | 0.980 | 15 [11, 22] |
min-max | 6–73 | 10–80 | 6–80 | |
Mean (SD) pH (VBG) | 7.41 (0.07) | 7.44 (0.07) | 0.093 | 7.42 (0.07) |
min-max | 7.37–7.47 | 7.40–7.50 | 7.37–7.47 | |
Mean (SD) HCO3 (mEq/L,VBG) | 24.9 (4.2) | 26.5 (4.7) | 0.550 | 25.1 (4.4) |
(min–max) | 22.6–27.9 | 21.9–28.1 | 22.6–28.0 | |
Mean (SD) PCO2 (mEq/LVBG) | 39.6 (10.7) | 37.3 (9.4) | 0.550 | 38.9 (10.3) |
min-max | 31.8–44.5 | 32.6–44.0 | 31.8–44.0 | |
Median [IQR] PT (seconds) | 13.1 [12.5, 13.7) | 12.2 [12.0, 13.9] | 0.110 | 12.9 [12.2, 13.6] |
min-max | 10.9–27.0 | 10.5–19.3 | 10.5–27.0 | |
Median [IQR] PTT (seconds) | 31.0 [28.0, 34.4] | 30.0 [26.9, 37.9] | 0.823 | 31.0 [27.1, 34.6] |
min-max | 24.2–45.4 | 26.1–60.0 | 24.0–60.0 | |
Median [IQR] INR | 1.0 [0.8, 3.5] | 1.0 [0.8, 2.0] | 0.680 | 1.0 [0.9, 1.2] |
median (min-max) | 0.83–3.50 | 0.83–2.00 | 0.83–3.50 |