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Table 2 Pneumococcal colonization of children in Kibera and Lwak, 2009–2010 surveys combined

From: Pneumococcal carriage and antibiotic susceptibility patterns from two cross-sectional colonization surveys among children aged <5 years prior to the introduction of 10-valent pneumococcal conjugate vaccine — Kenya, 2009–2010

Serotype of colonized pneumococcus

Total (N = 1,087)

Kibera (N = 740)

Lwak (N = 347)

P value, Kibera vs. Lwak

n (Weighted %; 95% CI)

n (Weighted %; 95% CI)

n (Weighted %; 95% CI)

Any serotype

983 (90.0; 88.0–92.0)

677 (91.5; 89.3–93.8)

306 (88.3; 84.9–91.6)

0.10

PCV10 type

408 (37.3; 34.2–40.5)

287 (39.4; 35.4–43.4)

121 (35.0; 30.0–40.0)

0.18

PCV13 type

532 (48.6; 45.4–51.9)

365 (49.0; 45.0–53.0)

167 (48.2; 43.0–53.5)

0.82

Colonization by age group

  < 1 year

173* (95.1; 92.3–98.0)

147 (93.0; 89.0–97.1)

26 (100)

NAa

 1–4 years

810* (89.3; 87.1–91.5)

530 (91.3; 88.7–93.8)

280 (87.3; 83.7–90.9)

0.07

  1. NA not applicable
  2. *P = 0.009 comparing pneumococcal colonization among all children aged <1 years vs. 1–4 years
  3. a P value was not calculated as at least one of the cell counts were <5