Table 3. Comparison of clinical presentations, radiological features, interventions, and complications between H1N1 infected patients (n = 10) and other respiratory viruses (n = 74).

Variables	Patients with H1N1 (VOC = 11) n (%)	Patients without H1N1 (VOC = 98) n (%)	p-value Chi-square test
Pain	9 (81.8)	86 (87.7)	0.88*
Fever	6 (54.5)	54 (55.1)	1.00*
Cough	8 (72.7)	52 (53.1)	0.52*
Chest pain	2 (18.2)	22 (22.4)	0.38*
Reduced air entry	2 (18.2)	16 (16.3)	1.00*
Crepitations	3 (27.3)	22 (22.4)	0.77*
Rhinorrhea	4 (36.4)	12 (12.2)	0.19*
Acute chest syndrome	2 (18.2)	33 (33.7)	0.43*
Non-invasive ventilation	1 (9.1)	13 (13.3)	0.72*
Blood transfusion	4 (36.4)	45(45.9)	0.70*
Death	0 (0.0)	2 (2.0)

*Not significant (p > 0.050); VOC: vaso-occlusive crisis.