From: Changing trends and serotype distribution of Shigella species in Beijing from 1994 to 2010
Shigella species and serotypes | No. (%) of isolates | Total | Chi-square test | |||
---|---|---|---|---|---|---|
Female | Male | p value | ||||
S. flexneri serotype 1a | 59 | (0.99) | 112 | (1.89) | 171 | p < 0.03 |
S. flexneri serotype 1b | 6 | (0.10) | 8 | (0.13) | 14 | p > 0.1 |
S. flexneri serotype 2a | 1,152 | (19.41) | 2008 | (33.84) | 3,160 | p < 0.001 |
S. flexneri serotype 2b | 71 | (1.20) | 67 | (1.13) | 138 | p < 0.003 |
S. flexneri serotype 3a | 8 | (0.13) | 22 | (0.37) | 30 | p > 0.05 |
S. flexneri serotype 3b | 2 | (0.03) | 1 | (0.02) | 3 | p > 0.1 |
S. flexneri serotype 4a | 71 | (1.20) | 102 | (1.72) | 173 | p > 0.05 |
S. flexneri serotype 4b | 14 | (0.24) | 33 | (0.56) | 47 | p > 0.05 |
S. flexneri serotype 4c | 75 | (1.26) | 113 | (1.90) | 188 | p > 0.05 |
S. flexneri serotype 5 | 3 | (0.05) | 27 | (0.46) | 30 | p < 0.001 |
S. flexneri serotype 6 | 29 | (0.49) | 24 | (0.40) | 53 | p < 0.04 |
S. flexneri serotype x | 68 | (1.15) | 110 | (1.85) | 178 | p > 0.05 |
S. flexneri serotype y | 40 | (0.67) | 70 | (1.18) | 110 | p > 0.05 |
S. sonnei | 719 | (12.12) | 920 | (15.50) | 1,639 | p < 0.0001 |
Total | 2,317 | (39.00) | 3,617 | (61.00) | 5,934 |