Table 3 Laboratory findings within 24 h of admission comparing patients who required ICU care or died to those who did not require ICU

Hemoglobin, g/dL

14.1 (13.1–14.8)

10.2(10.1–12.5)

14.3 (13.5–15)

.13

  < 4500

23/73 (31.5)

1/15 (6.7)

22/58 (37.9)

.096

  > 11,500

2/73 (2.7)

1/15 (6.7)

1/58 (1.7)

.024

  <  1000

31/73 (42.5)

12/15 (80)

19/58 (32.8)

.001

Neutrophil count, mm³

3605 (2453–4714)

4723 (4095–6707)

3266 (2304–4192)

.006

  < 2500

19/72 (26.4)

0

19/57 (33.3)

.013

Neutrophil/Lymphocyte ratio

2.8 (1.9–5.5)

7.0 (5.3–9.4)

2.3 (1.8–3.7)

<.001

Platelet count, mm³

182(136–236)

175(131–252)

186 (136–236)

.58

<  100

2/73 (2.7)

0

2/58 (3.4)

.067

C-reactive protein, mg/dL > 0.5

5/73 (75.3)

15/15 (100)

40/58 (69)

.015

Procalcitonin, ng/mL

0.05 (0.04–0.1)

0.17 (0.08–0.3)

0.05 (0.03–0.07)

.003

Ferritine, ng/mL > 300

20/25 (80)

11/11 (100)

9/14 (64.3)

.046

D-dimer, ng/mL > 500

32/68 (47.1)

10/14 (71.4)

22/54 (40.7)

.040

Prothrombin time, s

88.5 (81–99.5)

85 (73–87)

92 (85–100)

.014

Aspartate aminotransferase, U/L

27.3 (21.1–35)

26.5 (23.2–42)

27.3 (20.9–35)

.90

Alanine aminotransferase, U/L

26.1(16.4–38.6)

28.3 (15.2–38.6)

25.7 (16.4–40)

.54

Total bilirrubin, mg/dL

0.36 (0.25–0.48)

0.51 (0.38–0.7)

0.33 (0.24–0.42)

.001

Albumin, g/dL

4.05 (3.8–4.4)

3.7 (3.4–4.1)

4.1 (3.9–4.4)

.003

Lactate dehydrogenase, U/L

222 (177–296)

264 (203–411)

205 (171–275)

.011

Troponin T, ng/mL

3.2 (3–7.3)

13.3 (4–30.2)

3 (3–5.3)

.043

>  14

7/46 (15.2)

5/11 (45.5)

2/35 (5.7)

.005

Sodium, mmol/L < 135

18/77 (23.4)

11/18 (61.1)

7/59 (11.9)

<.001

Creatinine, mg/dL

0.80 (0.72–0.97)

0.87 (0.73–0.99)

0.78 (0.72–0.93)

.93