The Egyptian Journal of Bronchology

Table 3 Comparison of studied parameters between negative and positive CT

From: CO-RADS score and its correlation with clinical and laboratory parameters in patients with COVID-19

		Negative CT N = 12	Positive CT N = 88	p
Age (years)	Mean ± SD	31.8 ± 6.9	52.0 ± 13.8	< 0.001
Age (years)	Minimum-maximum	26–46	29–82	< 0.001
Males	N(%)	2 (16.7%)	48 (60.0%)	0.014
Females	N(%)	10 (83.3%)	40 (50.0%)	0.014
Fever	N(%)	0 (0%)	71 (88.8%)	< 0.001
Cough	N(%)	0 (0%)	44 (55.0%)	0.001
Dyspnea	N(%)	0 (0%)	60 (75.0%)	< 0.001
WBCs	Mean ± SD	7.5 ± 1.7	8.5 ± 2.6	0.222
WBCs	Minimum-maximum	5–12	1–15	0.222
ALC	Mean ± SD	1.6 ± 0.2	1.0 ± 0.3	< 0.001
ALC	Minimum-maximum	1–2	0.4–2	< 0.001
CRP (mg/L)	Median	4	10	< 0.001
CRP (mg/L)	Minimum-maximum	1.7–10	1.5–152	< 0.001
Ferritin (μg/L)	Median	100	450	< 0.001
Ferritin (μg/L)	Minimum-maximum	80–595	30–2000	< 0.001
LDH (U/L)	Median	125	300	< 0.001
LDH (U/L)	Minimum-maximum	100–202	100–1808	< 0.001
D-dimer (μg/ml)	Median	0.24	0.45	0.020
D-dimer (μg/ml)	Minimum-maximum	0.2–0.3	0.1–3.2	0.020
CORAD	1	12(100%)	0(0%)	< 0.001
	3	0(0%)	29(33%)
	4	0(0%)	35(39.8%)
	5	0(0%)	24(27.3%)
RT-PCR	Negative	4(33.3%)	12(13.6%)	0.098
RT-PCR	Positive	8(66.7%)	76(86.4%)	0.098

WBCs White blood cells (4000–10000/mm³), ALC Absolute lymphocyte count (1000–4800/ mm³), CRP C-reactive protein (0–5 mg/L), Ferritin (41–400 μg/L), LDH Lactate dehydrogenase (135–225 U/L), D-dimer (< 0.5 μg/ml), CT computed tomography, CORAD COVID-19 Reporting and Data System, RT-PCR Real-time polymerase chain reaction

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