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Table 1 Carriage status at age 1- < 3 months of Streptococcus pneumoniae, nontypeable Haemophilus influenzae and/or Moraxella catarrhalis and presence or absence of otitis media (OM) in Aboriginal and non-Aboriginal children who had at least one clinical ear examination

From: Association between early bacterial carriage and otitis media in Aboriginal and non-Aboriginal children in a semi-arid area of Western Australia: a cohort study

Micro-organism OM diagnosisa
    Aboriginal n = 66 Non-Aboriginal n = 146
Pncb NTHic Mcatd Yes (%) No (%) Yes (%) No (%)
+ + + 7 (87) 1 (13) 2 (100) 0 (0)
+ + - 3 (100) 0 (0) 1 (100) 0 (0)
+ - + 9 (75) 3 (25) 4 (57) 3 (43)
- + + 4 (100) 0 (0) 1 (100) 0 (0)
+ - - 4 (57) 3 (43) 2 (20) 8 (80)
- + - 4 (80) 1 (20) 0 (0) 4 (100)
- - + 7 (87) 1 (13) 11 (65) 6 (35)
- - - 9 (47) 10 (53) 42 (40) 62 (60)
  1. a Otitis media (OM) diagnosed once or more from time of specimen collection at age 1- < 3 months until last clinical examination before 2 years of age.
  2. b Streptococcus pneumoniae.
  3. c Haemophilus influenzae.
  4. d Moraxella catarrhalis.
  5. + pathogen present.
  6. - pathogen absent.