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Table 3 Cumulative proportions of participants over time with different otitis outcomes

From: Pneumococcal vaccination and otitis media in Australian Aboriginal infants: comparison of two birth cohorts before and after introduction of vaccination

Outcome Age
(months)
Vaccinated
n/N (%)
Comparison
n/N (%)
OME 1 27/47 (57) 6/13 (46)
  2 49/73 (67) 18/25 (72)
  4 72/83 (87) 35/37 (95)
  6 81/84 (96) 41/41 (100)
AOM 2 5/73 (7) 4/25 (16)
  4 33/83 (40) 19/37 (51)
  6 53/84 (63) 33/41 (80)
  9 65/83 (78) 41/45 (91)
  12 65/73 (89) 35/40 (88)
TMP 4 3/83 (4) 2/37 (5)
  6 10/84 (12) 8/41 (20)
  9 18/83 (22) 14/45 (31)
  12 25/73 (34) 14/40 (35)
  15 20/59 (38) 14/35 (40)
  24 15/30 (50) 12/23 (52)
CSOM 6 1/84 (1) 3/41 (7)
  *9 4/83 (5) 8/45 (18)
  12 10/73 (14) 9/40 (23)
  15 8/59 (14) 7/35 (20)
  24 9/30 (30) 9/23 (39)
  1. To minimise loss of case ascertainment the denominator includes only participants followed to the age of the given category.
  2. *p < 0.05