Table. Genotyping of isolates, New York City, 2001–2003*.
Isolate characteristics | 2001, no. (%) | 2002, no. (%) | 2003, no. (%) |
---|---|---|---|
Culture-positive | 965 (100) | 840 (100) | 880 (100) |
Culture received by PHL | 928 (96.2) | 808 (96.2) | 864 (98.2) |
Complete genotype (RFLP plus spoligotype) | 883 (95.2) | 772 (95.5) | 782 (90.5) |
Clustered genotypes | 311 (36.3)† | 262 (34.9)† | 264 (34.2)† |
*PHL, public health laboratory; RFLP, restriction fragment length polymorphism. †Excludes false-positive cultures.