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Table 4 Rates of pneumococcal bacteremia in rural western Kenya, October 2006 - September 2008

From: High rate of pneumococcal bacteremia in a prospective cohort of older children and adults in an area of high HIV prevalence in rural western Kenya

Age in years Syndrome S. pneumo(n) Pyoa Rate per 100,000 Pyo (95% CI) % cultured Rate, Extrapolation 1bPyo (95% CI) % clinic visits to Lwak Rate Extrapolation 2cPyo (95% CI)
5.17 Overall 11 17917 61 (31-110) -- 160 (65-255)   301 (123-479)
  SARI Inpatient 5    64   95  
  SARI Outpatient 4    47   54  
  Admit, not SARI 0    45   95  
  Fever, not SARI 2    38   41  
18-34 Overall 22 10869 202 (127-306) -- 391 (227-554)   578 (336-820)
  SARI Inpatient 10    56   80  
  SARI Outpatient 8    60   51  
  Admit, not SARI 4    36   79  
  Fever, not SARI 0    40   43  
35-49 Overall 10 4939 202 (97-372) -- 407 (155-659)   591 (225-957)
  SARI Inpatient 5    66   77  
  SARI Outpatient 2    55   52  
  Admit, not SARI 3    34   72  
  Fever, not SARI 0    62   42  
≥50 Overall 9 6738 134 (61-253)   232 (80-384)   354 (123-585)
  SARI Inpatient 7    71   67  
  SARI Outpatient 0    46   45  
  Admit, not SARI 2    35   63  
  Fever, not SARI 0    44   38  
Overall   52 40463 129 (96-169)   245 (178-312)   419 (305-533)
  1. apyo - person years of observation
  2. bExtrapolation 1 accounts for patients meeting case definitions for blood culture in Lwak clinic who did not have blood cultures done (see methods).
  3. cExtrapolation 2 uses the rates for extrapolation 1 and extrapolates further by accounting for the % of persons at the biweekly home visit with SARI or fever who went to a clinic other than Lwak clinic (see methods).