Table 4.

Clinical presentation, haematological, biochemical and radiological characteristics of the patients (positive PCR-swab vs. negative PCR-swab)

		All positive swabs (n = 102)	All negative swabs (n = 22)			P
Clinical presentation
Fever		56/102 (54.9%)	10/22 (45.5%)			N.S
Cough		51/102 (50.0%)	9/22 (40.9%)			N.S
Shortness of breath		61/102 (59.8%)	14/22 (63.6%)			N.S
Delirium		52/102 (51.0%)	6/22 (27.3%)			N.S
Vomiting		11/102 (10.8%)	1/22 (4.5%)			N.S
Fall		22 /102 (21.6%)	8/22 (36.4%)			N.S
Fatigue		58/102 (56.9%)	7/22 (31.8%)			0.037
Diarrhoea		14/102 (13.7%)	1/22 (4.5%)			N.S
Acute Kidney Injury		31/102 (30.4%)	6/22 (27.3%)			N.S
Respiratory Failure		54/102 (52.9%)	12/22 (54.5%)			N.S
Dysphagia		15/102 (14.7%)	2/22 (9.1%)			N.S
Haematology and biochemistry
Hyponatremia		15/102 (14.7%)	2/22 (9.1%)			N.S
Hypernatremia		22/102 (21.6%)	0 (0%)			0.013
Low lymphocytes		59/102 (57.8%)	12/22 (54.5%)			N.S
Elevated D-dimer		66/76 (86.8%)	12/14 (85.7%)			N.S
Elevated CRP		97/102 (95.1%)	18/22 (81.8%)			N.S
Elevated creatine kinase		27/66 (40.9%)	5/12 (41.7%)			N.S
Elevated troponin T		48/79 (60.8%)	13/15 (86.7%)			N.S
Elevated ALT		24/97 (24.7%)	2/20 (10%)			N.S
Elevated ALP		18/101 (17.8%)	8/22 (36.4%)			N.S
Elevated LDH		47/62 (75.8%)	9/10 (90%)			N.S
Elevated ferritin		54/83 (65.1%)	7/16 (43.8%)			N.S
CXR findings
Normal	31/99 (31.3%)			6/21 (28.6%)	N.S
Unilateral changes	26/99 (26.3%)			5/21 (23.8%)
Bilateral changes	34/99 (34.3%)			7 /21 (33.3%)
Other	8/99 (8.1%)			3/21 (14.3%)
Outcomes
Deaths		31/102 (30.4%)	6/22 (27.3%)			N.S
Increased support at home		19/59 (32.2%)	0/15 (0%)			0.008
Change in discharge destination		8/59 (13.6%)	1/15 (6.7%)			N.S

N.S. non-significant, CRP c-reactive protein, ALT alanine aminotransferase, ALP alkaline phosphatase, LDH lactate dehydrogenase