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Table 2 Laboratory tests and diagnostic images

From: Performance of oxygenation indices and risk scores to predict invasive mechanical ventilation and mortality in COVID-19

  

Total population n = 1402

Death n = 323

Alive n = 1079

p value

Ph, mean(sd)

 

7.45 (0.06)

7.43 (0.07)

7.45 (0.06)

< 0.001

PaO2 (mmHg), mean(sd)

69 (24.02)

68.3 (24.25)

69.2 (23.96)

0.580

PaCO2(mmHg), mean(sd)

31.7 (6.74)

31.9 (8.35)

31.6 (6.18)

0.859

HCO3 (mE q/L), mean(sd)

22.2 (4.22)

21.7 (4.89)

22.3 (3.99)

< 0.001

BE (mE q/L), mean(sd)

 

-1.2 (4.05)

-1.9 (4.75)

-1 (3.8)

0.002

Lactate (mmol/L), mean(sd)

1.9 (7.56)

3 (15.72)

1.5 (0.92)

0.089

SaO2 (%), mean(sd)

 

90.6 (9.76)

89.9 (11.26)

90.8 (9.27)

0.196

Leukocytes, mean(sd)

 

9537.6 (6981.9)

10410.1 (12053.09)

9275.4 (4420.95)

0.097

Lymphocytes, mean(sd)

 

1145.7 (950.82)

985.9 (904.55)

1193.6 (959.49)

< 0.001

Neutrophils, mean(sd)

 

7794.1 (5876.31)

8202.8 (4584.64)

7671.4 (6208.4)

0.094

Hemoglobine, mean(sd)

14.2 (2.44)

13.5 (2.83)

14.4 (2.27)

< 0.001

Hematocrit, mean(sd)

42 (7.68)

40.7 (8.45)

42.5 (7.38)

< 0.001

Plateles, mean(sd)

 

246220.1 (100052.78)

231,270 (104610.61)

250710.8 (98249.81)

< 0.001

Albumin, mean(sd)

 

3 (0.62)

2.9 (0.6)

3.1 (0.64)

< 0.001

Creatinine, mean(sd)

 

1.5 (3.57)

1.8 (2.64)

1.4 (3.8)

0.032

blood ureic nitrogen, mean(sd)

22.1 (15.79)

29.1 (22.25)

20 (12.38)

< 0.001

D dimer, mean(sd)

 

1827.2 (4861.18)

2811.6 (7119.7)

1536.7 (3914.08)

0.002

LDH, mean(sd)

 

430.8 (252.17)

506.5 (309.53)

407.9 (227.34)

< 0.001

GOT, mean(sd)

 

53.7 (55.81)

57 (45.96)

52.6 (58.52)

0.158

GGT, mean(sd)

 

54.1 (63.57)

48.7 (49.79)

55.7 (67.24)

0.042

Troponin, mean(sd)

 

37 (101.94)

71.2 (154.89)

26.7 (76.66)

< 0.001

Procalcitonin, mean(sd)

2.1 (8.03)

2.9 (10.1)

1.7 (6.76)

0.047

CRP, mean(sd)

 

127.3 (109.87)

146.4 (115.74)

121.5 (107.42)

< 0.001

Total bilirubin, mean(sd)

 

0.8 (2.74)

1.2 (5.51)

0.7 (0.46)

0.093

Ferritin, mean(sd)

 

1322.4 (2107.67)

1552.8 (2139.67)

1246.3 (2093.1)

0.022

CPK, mean(sd)

 

453.1 (677.2)

574.1 (835.19)

358.7 (508.47)

< 0.001

Interstitial opacity on CT, mean(sd)

637 (45.44)

148 (45.8)

489 (45.3)

0.874

Alveolar opacity on CT, mean(sd)

446 (31.81)

115 (35.6)

331 (30.7)

0.095

Ground-glass opacity on CT, mean(sd)

556 (39.66)

143 (44.3)

413 (38.3)

0.053

  1. Notes: sd: standard deviation, PaO2: arterial oxygen pressure, PaCO2: arterial carbon dioxide pressure, HCO3: bicarbonate, BE: base excess, SaO2: arterial oxygen saturation, LDH: lactate dehydrogenase, GOT: glutamic-oxaloacetic transaminase, GGT: gamma-glutamyl transferase, CRP: C Reactive protein, CPK: Creatine phosphokinase, CT: computer tomography