Table 3. Laboratory findings (presented as mean values + or - standard deviations) of the patients with pneumonia (n=42) and without COVID-19 pneumonia (n=30).

Acute phase reactans	With pneumonia	Without pneumonia	p	Normal range
C reactive protein(mg/L)	69.9 + or - 92.1 (n=42)	12.5 + or - 26.4 (n=28)	< 0.001	0-5
LDH (U/L)	294 + or - 160 (n=39)	215.1 + or - 81.2 (n=26)	< 0.001	135-214
ESR (mm/h)	47.7 + or - 33.1 (n=35)	19.2 + or - 15.6 (n=13)	0.001	1–15
Fibrinogen (mg/dL)	512.6 + or - 222.1 (n=13)	350 + or - 153.1 (n=9)	0.04	200-400
Ferritin (ng/mL)	515.8 + or - 115 (n= 38)	100.7 + or - 74.9 (n=24)	< 0.001	21-274
Procalcitonin (ng/mL)	0.25 + or - 0.67 (n=35)	0.05 + or - 0.02 (n=23)	< 0.001	< 0.02
D-Dimer (ng/mL)	585 + or - 644 (n=36)	182 + or - 174.9 (n=28)	< M0.001	< 250
Troponin I (ng/mL)	0.012 + or - 0.10 (n=42)	0.013 + or - (0.10) (n=30)	0.59	< 0.012

LDH = Lactate dehydrogenase; ESR = Erythrocyte sedimentation rate.