Volume 30, Number 1—January 2024
Research
Disease-Associated Streptococcus pneumoniae Genetic Variation
Table 1
Genotype | Infection isolates, no. (%), n = 349 | Carriage Isolates, no. (%), n = 434 |
χ2 | p value | OR (95% CI) |
---|---|---|---|---|---|
ST | |||||
ST271 | 102 (29.2) | 37 (8.5) | 56.78 | <0.001 | 4.43 (2.95–6.67) |
ST902 | 25 (7.2) | 69 (15.9) | 13.97 | <0.001 | 0.41 (0.25–0.66) |
ST90 | 13 (3.7) | 60 (13.8) | 23.34 | <0.001 | 0.24 (0.13–0.45) |
ST320 | 33 (9.5) | 24 (5.5) | 4.42 | 0.036 | 1.78 (1.03–3.08) |
ST11972 | 3 (0.9) | 24 (5.5) | 12.67 | <0.001 | 0.15 (0.04–0.50) |
ST9396 |
1 (0.3) |
22 (5.1) |
15.52 |
<0.001 |
0.05 (0.01–0.40) |
Serotype | |||||
19F | 150 (43.0) | 57 (13.1) | 88.61 | <0.001 | 4.99 (3.51–7.08) |
6B | 53 (15.2) | 142 (32.7) | 31.80 | <0.001 | 0.37 (0.26–0.53) |
15A | 12 (3.4) | 48 (11.1) | 15.88 | <0.001 | 0.29 (0.15–0.55) |
23F | 29 (8.3) | 21 (4.8) | 3.90 | 0.056 | 1.78 (0.96–3.35) |
23A | 10 (2.9) | 32 (7.4) | 7.74 | 0.005 | 0.37 (0.18–0.77) |
6A | 24 (6.9) | 10 (2.3) | 9.74 | 0.002 | 3.13 (1.48–6.64) |
19A | 15 (4.3) | 11 (2.5) | 1.87 | 0.171 | 1.73 (0.78–3.81) |
14 |
15 (4.3) |
11 (2.5) |
1.87 |
0.171 |
1.73 (0.78–3.81) |
GPSC | |||||
GPSC1 | 160 (45.9) | 67 (15.4) | 88.88 | <0.001 | 4.64 (3.32–6.48) |
GPSC321 | 32 (9.2) | 70 (16.1) | 8.27 | 0.004 | 0.52 (0.34–0.82) |
GPSC23 | 15 (4.3) | 65 (15.0) | 24.05 | <0.001 | 0.25 (0.14–0.45) |
GPSC10 | 9 (2.6) | 28 (6.5) | 6.44 | 0.011 | 0.38 (0.18–0.81) |
GPSC69 | 3 (0.9) | 31 (7.1) | 18.39 | <0.001 | 0.11 (0.04–0.35) |
GPSC152 | 13 (3.7) | 18 (4.2) | 0.09 | 0.763 | 0.89 (0.44–1.83) |
GPSC852 | 19 (5.4) | 12 (2.8) | 3.65 | 0.056 | 2.02 (0.98–4.17) |
*Boldface indicates statistical significance. GPSC, global pneumococcal sequencing cluster; OR, odds ratio; ST, sequence type.
1These authors contributed equally to this article.
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