Table 2.

Proportions (percents) and different ratios of capsular group B and C strains among the capsulated (excluding NG) and noncapsulated (NG-only) meningococci

Group% (no. of isolates/total no.)Capsulated/noncapsulated ratio
CapsulatedNoncapsulated
B43.8 (222/507)15.1 (8/53)2.9
C10.7 (54/507)11.3 (6/53)0.95
Non-B non-C45.5 (231/507)73.6 (39/53)0.62
 B/C ratio4.11.3