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. 2005 Mar;43(3):1177–1186. doi: 10.1128/JCM.43.3.1177-1186.2005

TABLE 1.

Frequency distribution of S. agalactiae isolates among EcoRI ribotypes, hylB allelic types, and sodA allelic types

Subtype Incidence (prevalence [%]) among indicated type of isolates
P valuea
Human (n = 52) Bovine (n = 52)
EcoRI ribotype
    106-1501-S-8 39 (75.0) 1 (1.9) <0.01
    116-549-S-1 7 (13.5) 3 (5.8) 0.50
    106-1501-S-5 4 (7.7) 12 (23.1) 0.01
    116-611-S-7 2 (3.8) 3 (5.8) 0.65
    106-1502-S-6 0 9 (17.3) <0.01
    106-1502-S-2 0 6 (11.5) 0.01
    106-1502-S-3 0 4 (7.7) 0.03
    106-1504-S-1 0 3 (5.8) 0.08
    116-522-S-1 0 2 (3.8) NA
    106-1501-S-4 0 2 (3.8) NA
    116-549-S-7 0 1 (1.9) NA
    116-574-S-2 0 1 (1.9) NA
    116-607-S-6 0 1 (1.9) NA
    116-622-S-8 0 1 (1.9) NA
    116-638-S-1 0 1 (1.9) NA
    116-646-S-2 0 1 (1.9) NA
    106-1502-S-1 0 1 (1.9) NA
hylB clusters and allelic typesb
    hyl-1 cluster 0 31 (59.6) <0.01
        hyl-1.0 0 24 (46.2)
        hyl-1.1 0 5 (9.6)
        hyl-1.2 0 1 (1.9)
        hyl-1.3 0 1 (1.9)
    hyl-2 cluster (hyl-2.0) 2 (3.8) 0 0.50
    hyl-3 cluster (hyl-3.0) 7 (13.5) 0 0.01
    hyl-4 cluster (hyl-4.0) 26 (50.0) 1 (1.9) <0.01
    hyl-5 cluster 0 17 (32.6) <0.01
        hyl-5.0 0 13 (25.0)
        hyl-5.1 0 1 (1.9)
        hyl-5.2 0 1 (1.9)
        hyl-5.3 0 1 (1.9)
        hyl-5.4 0 1 (1.9)
    hyl-6 cluster 9 (17.3) 3 (5.7) 0.12
        hyl-6.0 7 (13.5) 2 (3.8)
        hyl-6.1 2 (3.8) 0
        hyl-6.2 0 1 (1.9)
    hyl-7 cluster 8 (15.4) 0 0.01
        hyl-7.0 7 (13.5) 0
        hyl-7.1 1 (1.9) 0
sodA clusters and allelic typesb
    sod-1 cluster 41 (78.8) 5 (9.6) <0.01
        sod-1.0 40 (76.9) 4 (7.7)
        sod-1.1 1 (1.9) 0
        sod-1.2 0 1 (1.9)
    sod-2 cluster (sod-2.0) 3 (5.8) 0 0.24
    sod-3 cluster (sod-3.0) 6 (11.5) 0 0.03
    sod-4 cluster 2 (3.8) 47 (90.4) <0.01
        sod-4.0 2 (3.8) 46 (88.5)
        sod-4.1 0 1 (1.9)
a

All P values (between human and bovine isolates) were computed using a two-tailed Fisher's exact test. NA, Fisher's exact test was not applicable.

b

P values were computed for hylB and sodA clusters only (e.g., hyl-1, hyl-2, sod-1, or sod-2).