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Numbers of isolates with family 1 or family 2 PspA within the most common capsular types of Streptococcus pneumoniae in MEF and NP specimens
| Capsular serotype | No. of isolates with PspA family:
|
|
|---|---|---|
| 1 | 2 | |
| 19F | 22 | 16 |
| 23Fa | 34 | 3 |
| 6A | 11 | 12 |
| 6B | 12 | 11 |
| 14a | 2 | 12 |
| 11Aa | 1 | 12 |
| 18C | 3 | 6 |
| 19A | 4 | 4 |
| 9Va | 0 | 6 |
| 9N | 5 | 0 |
The distribution of PspA families was uneven and statistically significant for serotypes 23F (P < 0.0001), 14 (P = 0.013), 11A (P = 0.003), and 9V (P = 0.031, exact binomial test, two-tailed).
