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Table 1 Clinical characteristics of individual serotypes

From: Invasive pneumococcal infections in Vellore, India: clinical characteristics and distribution of serotypes

Serotype   All Fatal outcome Any risk factor Pneumonia Meningitis
  No No (%) P-value No (%) P-value No (%) P-value No (%) P-value
  Children (all = 95)   (all = 95)   (all = 93)   (all = 93)  
1 10 0 (0%) ns 2 (22%) ns 7 (88%) 0.007 0 (0%) ns
5 6 0 (0%) ns 0 (0%) ns (0.059) 2 (40%) ns 3 (60%) ns (0.084)
19 F 11 2 (18%) ns 5 (46%) ns 5 (46%) ns 2 (18%) ns
6B 8 2 (25%) ns 4 (50%) ns 2 (25%) ns 3 (38%) ns
14 14 0 (0%) ns 5 (36%) ns 4 (31%) ns 3 (23%) ns
All serotypes   12 (13%)   44 (46%)   38 (41%)   22 (24%)  
  Adults (all = 138)   (all = 138)   (all = 136)   (all = 136)  
1 24 3 (13.0%) ns 10 (43.5%) <0.001 20 (87.0%) <0.001 2 (8.7%) 0.038
5 16 4 (25.0%) ns 11 (68.8%) ns 9 (64.3%) ns 2 (14.3%) ns
19 F 7 2 (40.0%) ns 6 (100%) ns 3 (60.0%) ns 2 (40.0%) ns
6B 10 3 (30.0%) ns 10 (100.0%) ns 2 (20.0%) ns 6 (60.0%) 0.022
14 3 1 (33.3%) ns 2 (66.7%) ns 3 (100.0%) ns 0 (0%) ns
All serotypes   37 (26.8%)   107 (77.5%)   64 (47.1%)   36 (26.5%)  
  1. Clinical characteristics of the five most common pneumococcal serotypes in children and adults. P-values were calculated for each serotype compared with all other serotypes, using Fisher’s exact test (two-sided). ns = not significant.