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Table 2 Prevalence of causative respiratory viruses and Mycoplasma pneumoniae according to age groups in children hospitalized due to community-acquired pneumonia

From: Annual and seasonal patterns in etiologies of pediatric community-acquired pneumonia due to respiratory viruses and Mycoplasma pneumoniae requiring hospitalization in South Korea

Detected respiratory virus< 2 years, No. (%)2–4 years, No. (%)5–11 years, No. (%)12–17 years, No. (%)Total, No. (%)
Adenovirus964 (7.1)764 (7.9)183 (3.12)33 (1.7)1944 (6.3)
Rhinovirus2545 (18.8)1441 (14.8)626 (10.8)199 (10.2)4811 (15.5)
Influenza701 (5.2)619 (6.44)519 (9.0)196 (10.1)2035 (6.6)
 Influenza A534 (4.0)386 (4.0)302 (5.2)117 (6.0)1339 (4.32)
 Influenza B172 (1.3)239 (2.5)218 (3.8)79 (4.1)708 (2.3)
Parainfluenza2668 (19.7)1317 (13.6)476 (8.2)192 (9.9)4653 (15.0)
Metapneumovirus1049 (7.8)750 (7.7)112 (1.9)45 (2.3)1956 (6.3)
Respiratory syncytial virus4600 (34.0)1451 (14.9)194 (3.3)59 (3.0)6304 (20.3)
Bocavirus511 (38.0)214 (2.2)41 (0.7)20 (1.0)786 (2.5)
Coronavirus264 (2.0)152 (1.6)66 (1.121 (1.1)503 (1.6)
MP1277 (9.4)3526 (36.3)3475 (59.9)905 (46.4)9183 (29.6)
 Clinically MSMP1121 (8.3)2816 (29.0)2482 (42.8)681 (34.9)7100 (22.9)
 Clinically MRMP25 (0.2)154 (1.6)244 (4.2)47 (2.4)470 (1.5)
 Clinically MLEP131 (1.1)556 (5.7)749 (12.9)177 (9.1)1613 (5.2)
Neither MP nor virus identified1997 (14.8)1529 (15.7)906 (15.6)484 (24.8)4916 (15.9)
Only respiratory virus detection10,253 (75.8)4660 (48.0)1421 (24.5)561 (28.8)16,895 (54.5)
Total number13,527 (100.0)9715 (100.0)5802 (100.0)1950 (100.0)30,994 (100.0)
  1. MLEP macrolide less-effective Mycoplasma pneumoniae, MP Mycoplasma pneumoniae, MRMP macrolide-refractory Mycoplasma pneumoniae, MSMP macrolide-sensitive Mycoplasma pneumoniae, No Number