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Table 3 Etiology of severe pneumonia cases reported to the severe pneumonia surveillance system based on case reviews by the Clinical Network, Thailand 2010–2015

From: Enhanced surveillance for severe pneumonia, Thailand 2010–2015

Findings of review cases with positive laboratory result that met SevPn case definition Age < 5 year Age > 5 years
Fatal cases (%) Non-fatal cases (%) Overall (%) Fatal cases (%) Non-fatal cases (%) Overall (%)
N = 14 N = 268 N = 282 N = 53 N = 77 N = 130
Virusa 6 (42.8) 114 (42.5) 120 (42.5) 13 (24.5) 29 (37.6) 42 (32.3)
 RSV 1 (7.1) 67 (25.0) 68 (24.1) 0 8 (10.4) 8 (6.1)
 Adenovirus 1 (7.1) 18 (6.7) 19 (6.7) 1 (1.9) 1 (1.3) 2 (1.5)
 Human metapneumovirus 1 (7.1) 13 (4.8) 14 (4.9) 0 3 (3.9) 3 (2.3)
 Influenza virus A (H1N1) pdm009 1 (7.1) 2 (0.7) 3 (1.1) 6 (11.3) 6 (7.8) 12 (9.2)
 Parainfluenza type 3 1 (7.1) 5 (1.8) 6 (2.1) 1 (1.9) 4 (5.2) 5 (3.8)
 Influenza virus A/H3 0 1 (0.3) 1 (.3) 4 (7.5) 3 (3.9) 7 (5.4)
 Parainfluenza type 1 0 3 (1.1) 3 (1.1) 0 3 (3.9) 3 (2.3)
 Influenza virus B 1 (7.1) 2 (0.7) 3 (1.1) 1 (1.9) 1 (1.3) 2 (1.5)
 Parainfluenza type 2 0 3 (1.1) 3 (1.1) 0 0 0
Bacteriab 3 (21.4) 41 (15.3) 45 (15.9) 23 (43.4) 18 (23.4) 41 (31.5)
Mycoplasma pneumoniae 1 (7.1) 9 (3.3) 10 (3.5) 3 (5.6) 6 (7.8) 9 (6.9)
Chlamydophila pneumoniae 0 8 (2.9) 8 (2.8) 0 0 0
Chryseobacterium meningosepticum 0 1 (0.3) 1 (0.3) 0 0 0
Haemophilus influenzae 0 7 (2.6) 7 (2.5) 1 (1.9) 1 (1.3) 2 (1.5)
Moraxella catarrhalis 0 9 (3.3) 9 (3.2) 1 (1.9) 1 (1.3) 2 (1.5)
Klebsiella pneumoniae 2 (14.2) 2 (0.7) 4 (1.4) 4 (7.5) 3 (3.9) 7 (5.4)
Streptococcus pneumoniae 0 2 (0.7) 2 (0.7) 6 (11.3) 1 (1.3) 7 (5.4)
Staphylococcus aureus 0 1 (0.3) 1 (0.3) 2 (3.8) 3 (3.9) 5 (3.8)
Acinetobacter baumannii 0 0 0 1 (1.9) 2 (2.6) 3 (2.3)
Escherichia coli 0 3 (1.1) 3 (1.1) 2 (3.8) 0 2 (1.5)
Burkholderia pseudomallei 0 0 0 2 (3.8) 0 2 (1.5)
Acinetobacter calcoaceticus 0 0 0 1 (1.9) 0 1 (0.7)
Legionella spp. 0 0 0 0 0 0
Pseudomonas aeruginosa 0 0 0 0 1 (1.3) 1 (0.7)
Mixed detection 5 (35.7) 112 (41.8) 117 (41.4) 15 (28.3) 26 (33.7) 41 (31.5)
 Mixed viral detection 0 3 (1.1) 3 (1.1) 2 (3.8) 1 (1.3) 3 (2.3)
 Mixed bacterial detection 1 (7.1) 15 (5.6) 16 (5.7) 5 (9.4) 10 (12.9) 15 (11.5)
 Mixed viral and bacterial detection 4 (28.6) 94 (35.1) 98 (34.7) 8 (15.1) 15 (19.4) 23 (17.7)
Inconclusive 0 0 0 2 (3.8) 4 (5.2) 6 (4.6)
  1. aSingle viral pathogen identified
  2. bSingle bacterial pathogen identified