Table 3 Blood tests on admission and at discharge

Admission

Hemoglobin, g/dL

9.5 (8.0–10.1)

9.6 (8.1–10.2)

9.5 (8.1–10.0)

Serum albumin, g/dL

3.2 (2.8–3.4)

3.2 (2.9–3.5)

3.2 (2.8–3.4)

Blood urea nitrogen, mg/dL

101.3 (88.3–127.2)

103.6 (90.2–130.4)

99.7 (81.7–118.2)

Serum creatinine, mg/dL

8.88 (7.32–11.20)

8.46 (7.30–11.02)

9.45 (7.32–13.42)

eGFR (mL/min/1.73 m²)

5 (4–6)

5 (4–6)

5 (3–6)

Serum potassium, mmol/L

4.9 (4.2–5.6)

4.9 (4.3–5.6)

4.8 (4.0–5.3)

Serum phosphorus, mg/dL

6.2 (5.3–7.4)

n = 91

6.2 (5.4–7.4)

n = 51

6.2 (5.3–7.5)

C-reactive protein, mg/dL

0.88 (0.25–3.01)

n = 87

1.37 (0.21–3.43)

n = 50

0.68 (0.27–1.64)

n = 37

Brain natriuretic peptide, pg/mL

627.8 (324.2–1229.6)

n = 82

692.4 (311.8–1227.6)

n = 47

522.8 (362.1–1219.9)

n = 35

Discharge

Hemoglobin, g/dL

9.1 (8.4–10.1)

9.0 (8.3–10.0)

9.3 (8.5–10.2)

Serum albumin, g/dL

3.0 (2.6–3.3)

2.8 (2.3–3.1)

3.2 (2.8–3.4)

Blood urea nitrogen, mg/dL

41.2 (34.3–48.6)

41.2 (35.6–48.1)

40.8 (34.0–49.1)

Serum creatinine, mg/dL

6.42 (5.44–8.19)

5.83 (5.04–6.85)

7.47 (6.17–9.58)

eGFR (mL/min/1.73 m²)

7 (5–9)

7 (5–9)

6 (5–7)

Serum potassium, mmol/L

4.0 (3.7–4.2)

4.0 (3.8–4.3)

4.0 (3.7–4.1)

Serum phosphorus, mg/dL

4.1 (3.5–5.0)

n = 94

3.9 (3.5–4.7)

4.2 (3.6–5.3)

n = 39

C-reactive protein, mg/dL

0.19 (0.08–0.60)

n = 88

0.30 (0.12–1.06)

n = 52

0.15 (0.05–0.26)

n = 36