Table 1. Disease and patients’ characteristics in patients with positive and negative history of influenza vaccination .

Patient or disease chactristics	Influanza-Vaccine (positive) (n=59)	Influanza-Vaccine (negative) (n=470)	p
Gender (male) n%	32 (54.2)	196 (41.7)	0.578
Age (year) (Mean ± SD)	57.78±6.36	59.11±16.21	0.883
Hospitalization Days	8.44±6.36	7.94±8.57	0.924
ICU Days	1.17±3.09	0.92±3.04	0.809
IVIG (positive)	7 (11.9)	40 (8.5)	0.463
ICU Admission	10 (16.9)	54 (11.5)	0.235
PCR (positive)	6 (10.2)	47 (10.0)	1.000
chills (yes)	35 (59.3)	307 (65.3)	0.560
Fever (positive)	38 (64.4)	295 (62.80)	0.887
Fever length	2.53±3.36	2.37±3.40	0.746
Dyspnea (positive)	43 (72.9)	309 (65.7)	0.180
Fatigue (positive)	48 (72.9)	335 (71.3)	0.850
Anorexia (positive)	44 (74.6)	279 (59.4)	0.120
Body pain (positive)	35 (59.3)	279 (59.4)	0.886
Diarrhea history (positive)	16 (27.1)	80 (17)	0.420
New Diarrhea (positive)	5 (8.5)	47 (10)	1.000
Sore through (positive)	16 (27.1)	99 (21.1)	0.230
Nausea and Vomiting (positive)	22 (37.3)	164 (34.9)	0.773
Sputum (positive)	22 (37.3)	121 (25.7)	0.570
Chest discomfort (positive)	25 (42.4)	141 (30)	0.041
Headache (positive)	18 (30.5)	161 (30)	0.881
Vertigo (positive)	16 (27.1)	109 (23.2)	0.321
Delusion (positive)	5 (8.5)	50 (10.6)	1.000
Seizure (positive)	2 (3.4)	8 (1.7)	0.285
LOC (positive)	8 (13.6)	80 (17)	0.706
Anosmia/hyposmia(positive)	17 (28.8)	93 (19.8)	0.780
Dsgeusia (negative)	11 (18.6)	92 (19.6)	1.000
Heart Disease (positive)	15 (25.4)	116 (24.7)	0.748
Lung Disease (positive)	10 (16.9)	46 (9.8)	0.113
Kidney Disease (positive)	8 (13.6)	44 (9.4)	0.233
Dialyzed (positive)	1 (1.7)	15 (3.2)	1.000
Immunodeficiency (positive)	4 (6.8)	4 (0.9)	1.000
Diabetes Mellitus (positive)	19 (32.2)	145 (30.9)	0.762
Hypertension (positive)	21 (35.6)	132 (28.1)	0.217
Malignancy (positive)	5 (8.5)	21 (4.5)	0.181
Tuberculosis (negative)	1 (1.7)	7 (1.5)	1.000