TABLE 3.

Comparison of Korean patients whose isolates were clustered by IS6110 fingerprinting

Patients	Sexa/age (yr)	No. of IS6110 copies	Cluster type	Date of collectionb	Direct smear resultc	Culture resultd	Drug susceptibilitye	Personal acquaintancef
K1	M/61	10	KA	5/15/1995	−	+	All −	No
K2	F/21	10	KA	6/22/1995	+	++	All −	No
K3	M/75	10	KA	9/27/1995	+	++	All −	No
K4	M/27	10	KA	7/18/1995	−	+	All −	No
K5	M/56	16	KB	5/25/1995	+++	++++	All −	Neighbor
K6	F/84	16	KB	6/9/1995	−	+	All −	Neighbor
K7	M/37	12	KC	6/7/1995	+++	+++	I/P/E/R/T	No
K8	M/59	12	KC	7/7/1995	−	+	All −	No
K9	M/25	10	KD	6/15/1995	+++	+++	All −	Family
K10	M/61	10	KD	12/11/1996	−	+	All −	Family
K11	M/71	14	KE	6/23/1995	−	+2	All −	No
K12	M/39	14	KE	7/13/1995	−	+1	All −	No
K13	F/20	14	KE	10/4/1996	−	+	All −	No
K14	F/62	12	KF	5/5/1995	+	+	All −	No
K15	F/49	12	KF	6/26/1995	+	+	All −	No

^aM, male; F, female. 

^bMonth/day/year. 

^c−, 0 in 300 fields; +, 1 to 10 in 100 fields; ++, 1 to 10 in 10 fields; +++, 1 to 10 in 1 field. 

^d−, no colonies; +1, one colony; +2, two colonies; +, 50 to 100 colonies; ++, 100 to 200 colonies; +++, 200 to 500 colonies; ++++, more than 500 colonies. 

^eAll −, the strain was susceptible to all drugs tested. I/P/E/R/T, the strain was resistant to isoniazid, p-aminosalicylic acid, ethambutol, rifampin, and prothionamide. 

^fWith the exception of two clusters, patients contained within the same clusters had no personal acquaintance with one another.