Table 4.

Distribution of CP5, CP8, and nontypeable strains among prevalent and sporadic SALs

Group tested% of strains with characteristic (no. with characteristic/total no. tested)
CP5CP8Nontypeable
SAL
 SAL 10 (0/31)93.5 (29/31)6.4 (2/31)
 SAL 20 (0/12)91.6 (11/12)8.3 (1/12)
 SAL 496.5 (28/29)3.4 (1/29)0 (0/29)
 SAL 50 (0/19)100 (19/19)0 (0/19)
 SAL 60 (0/9)55.5 (5/9)44.4 (4/9)
Prevalent lineages28 (28/100)65 (65/100)7.0 (7/100)
Sporadic lineages26.8 (18/67)22.3 (15/67)50.7 (34/67)
All isolates27.5 (46/167)47.9 (80/167)24.5 (41/167)
 Frequency analysis result (prevalent vs sporadic)a1.000<0.0001<0.0001
  • a Fisher's exact test.