Comparison of the Demographics, Clinical Presentations, Seasonality, and Outcome between Adult Patients with Influenza A and B in Two Seasons (2014-2015 and 2015-2016) with Emphasis on H1N1 Infection Outcome

Table 1: Comparison of demographics, clinical presentation, comorbidities, radiological findings, and outcome between Influenza A and Influenza B patients.

–		Flu A		Flu B		P Value
–		n.	%	n.	%	P Value
Age groups	14-25	163	16.43	157	22.53	0.017
	26-40	477	48.08	304	43.62
	41-65	263	26.51	179	25.68
	>65	89	8.97	57	8.18
Age Median in years (25^th P-75^thP )	Male	36.0 (30.0-52.0)		34.0 (24.0-48.0)		0.001
Age Median in years (25^th P-75^thP )	Female	34.0 (27.5-48.0)		34.0 (27.5-49.5)		0.792
Sex	Male	471	47.48	308	44.19	0.182
Sex	Female	521	52.52	389	55.81	0.182
Main Presenting Symptoms	Respiratory	898	90.52	613	87.95	0.049
	Gastrointestinal	6	0.60	12	1.72
	Both	88	8.87	72	10.33
Comorbidities	Respiratory Diseases	95	9.58	61	8.75	0.564
	Cardiac Diseases	49	4.94	30	4.30	0.543
	Diabetes Mellitus	118	11.90	69	9.90	0.198
	Chronic Kidney Disease	5	0.50	3	0.43	0.828
Pregnancy (among CBA 14-50 years)	Negative	360	82.38	271	85.23	0.335
Pregnancy (among CBA 14-50 years)	Positive	77	17.62	47	14.77	0.335
Prolonged illness		101	10.18	106	15.21	0.002
Radiological findings		65	6.55	33	4.73	0.116
Admission	Total	72	7.26	49	7.03	0.858
	Medical	67	6.8	47	6.7	0.79
	ICU	5	0.5	2	0.3	0.79
Death		1	0.10	2	0.29	0.371
Length of stay LOS Median days (25^th P-75^thP )		3.0 (2.0-4.0)		3.0 (2.0-4.0)		0.850