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Table 2 Characteristics of children with OME

From: Bacterial aetiology of chronic otitis media with effusion in children - risk factors

CharacteristicsTotal (n = 50)MEF positive (% in group)
S. pneumoniae (n = 9)H. influenzae (n = 12)A. otitidis (n = 22)M. catarrhalis (n = 4)
Age (yr)a4 (2–8)5 (3–8)4 (2–7)3.7 (3–5)4 (3–6)
Male sex33 (66.0)8 (24.2)6 (18.2)13 (39.4)3 (9.1)
Social status:
 Very good26 (52.0)2 (7.7)6 (23.1)11 (42.3)1 (3.9)
 Good23 (46..0)7 (30.4)5 (21.7)10 (43.5)3 (13.0)
 Low1 (2.0)0 (0)1 (100)1 (100)0 (0)
Rural residence19 (38.0)4 (21.1)4 (21.1)10 (52.6)3 (15.8)
Parental smoking14 (28.0)4 (28.6)6 (42.9)8 (57.1)2 (14.3)
Breastfeeding45 (90.0)9 (20.0)8 (17.8)19 (42.2)4 (8.9)
Cesarean childbirth22 (44.0)5 (55.6)4 (18.2)11 (50.0)2 (9.1)
Bilateral OME: positive samples from right/left ear19 (38.0): 15/131 (5.3): 1/09 (47.4): 8/68 (42.1): 8/83 (15.8): 3/2
Unilateral OME31 (62.0)8 (25.8)3 (9.7)14 (45.2)1 (3.2)
Duration of symptoms (days)a639 (92–1095)548 (365–730)548 (183–730)730 (183–1095)730 (365–730)
Frequent URTI39 (78.0)8 (20.5)9 (23.1)15 (38.5)4 (10.3)
Snoring34 (68.0)4 (11.8)8 (23.5)16 (47.1)3 (8.8)
Allergy7 (14.0)1 (14.3)1 (14.3)1 (14.3)1 (14.3)
Pneumococcal vaccination16 (32.0)4 (25.0)5 (31.3)5 (31.3)1 (6.3)
  1. amedian (range)