Table 1.

Patient characteristics variable data.

Patient Characteristics	Variables	Total		Readmission	Non-Readmission	P-value
				N	N
Demographical	Sex	Female	2720	412	2308	<0.002**
		Male	3071	332	2739
	Marital status	single,	1219	631	588	<0.004**
		married	4572	239	4333
	Age	0–30	1363	152	1211	<0.001**
		30–60	1836	146	1690
		60–90	2952	572	2380
Hospitalization	Number of admissions	1	4921	0	4921
		2–4	780	780	0	<0.002**
		>4	90	90	0
	Type of admission	Inpatient care	2075	524	1551	<0.001**
		Outpatient care	3716	346	3370
	ICU admission	Yes	528	462	66	<0.002**
		No	5263	408	4855
	Oxygen therapy	Yes	720	543	177	<0.161
		No	5071	327	4744
	CRP on admission	Yes	380	329	51	<0.039**
		No	5411	541	4870
	Duration of hospitalization	<24 h	3917	43	3874	<0.497**
		1–7 days	1465	519	946
		>7days	409	308	101
	Patient status on discharge	Partial recovery-	1430	774	656	<0.041**
		Complete recovery	3970	62	3908
		dead	391	34	357
	Time to readmission	<30 days	1300	257	1043	<0.052
		>30days	4491	613	3878
	COVID status	Critical	520	14	506	<0.001**
		Severe	1034	142	892
		Moderate	2300	540	1760
		Mild	1540	98	1442
		Recovered	397	14	383
	Severe kidney disease	Yes	240	49	191	<0.630
		No	5551	821	4730
	Solid organ transplantation	Yes	182	94	88	<0.951
		No	5609	776	4833
	Lymphocytes on discharge	Yes	746	297	449	<0.832
		No	5045	573	4472
	Coronary artery disease	Yes	570	381	189	<0.267
		No	5221	489	4732
	Cancer	Yes	168	119	49	<0.574
		No	5623	751	4872
	History of CT result	Normal	3321	540	2781	<0.059
		Unmoral	2470	330	2140
	Pregnancy	Yes	94	23	71	<0.720
		No	5697	847	4850
	Congestive heart failure	Yes	350	180	170	<0.968
		No	5441	690	4751
	Cerebrovascular disease	Yes	49	8	41	<0.602
		No	5742	862	4880
	C reactive protein on admission	Yes	5308	710	4598	<0.057
		No	753	160	593
	Congestive heart failure	Yes	135	94	41	<0.619
		No	5656	776	4880
	Asthma	Yes	74	41	33	<0.570
		No	5717	829	4888
	Metastatic solid tumor	Yes	14	3	11	<0.924
		No	5776	867	4909
	Diabetes mellitus	Yes	364	79	285	<0.738
		No	5427	791	4636
	D-dimer	Yes	4680	361	4319	<0.042**
		No	1111	509	602
	Dyspnea	Yes	1640	490	1150	<0.069
		No	4151	380	3771
	Underlying diseases	Yes	839	538	301	<0.073
		No	4952	468	4484
	Headache	Yes	4981	681	4300	<0.075
		No	810	189	621
	Weakness and lethargy	Yes	5134	526	4608	<0.052
		No	657	344	313
	Body pain	Yes	4391	617	3774	<0.061
		No	1400	253	1147
Pain or pressure in the chest	Yes	2670	594	2076	<0.068
	No	3121	276	2845
High fever	Yes	4621	713	3908	<0.072
	No	1170	157	1013
Nausea & Vomiting	Yes	3910	672	3238	<0.067
	No	1881	198	1683
Cough	Yes	4627	593	4034	<0.0512
	No	1164	277	887
Gastrointestinal symptoms	Yes	234	56	178	<0.102
	No	5557	814	4743
Chronic pulmonary	Yes	261	73	188	<0.284
	No	5530	797	4733
Hypertension	Yes	840	142	698	<0.043**
	No	4951	728	4223
Consolidation	Yes	461	59	402	<0.0497**
	No	5330	811	4519
Pleural fluid	Yes	571	137	434	<0.0581
	No	5220	733	4487
Hypersensitive troponin	Yes	892	261	568	<0.042*
	No	4899	609	4290