Acute Respiratory Tract Infections among Hospitalized Palestinian Patients (2011–2016): A Retrospective Study

Table 5

Frequency and incidence rates of confirmed respiratory tract infection-related hospitalization stratified by region.

Organism	North^a		Center^a		South^a
	N (%)	IR^b	N (%)	IR^b	N (%)	IR^b
B. pertussis	136 (42.0)	12.5	120 (37.0)	15.1	68 (21.0)	7.7
Influenza A	1695 (47.7)	156.0	592 (16.6)	74.5	1268 (35.7)	143.1
Influenza A (H1N1)	624 (45.5)	57.4	228 (16.6)	28.7	521 (37.9)	58.8
Influenza B	22 (36.0)	2.0	14 (23.0)	1.8	25 (41.0)	2.8
RSV	113 (25.2)	10.4	264 (58.8)	33.2	72 (16.0)	8.1
Enterovirus	6 (66.7)	0.6	2 (22.2)	0.3	1 (11.1)	0.1
Adenovirus	0 (0.0)	0.0	3 (14.3)	0.4	18 (85.7)	2.0
S. pneumonia	0 (0.0)	0.0	2 (66.7)	0.3	1 (33.3)	0.1

^aRegion: North: Nablus, Tubas, Jenin, Tulkarem, Salfit, and Qalqiliya Governorates; Center: Ramallah and Al-Bireh, Jerusalem and Jericho, and Al-Aghwar Governorates; South: Hebron and Bethlehem Governorates. ^bIR: incidence rate (hospitalized patients per 10⁵ population). Population was calculated as the average overall population in the regions of the West Bank between 2011 and 2016 according to PCBS data.