Table 2.

Drug susceptibility characteristics in different spoligotyping families obtained from 302 clinical Mycobacterium tuberculosis isolates

Characteristic	No. (%) of different genotyping isolates
	Beijing	T	H	LAM	MANU	U	New
Mono drug-resistance
STR	39 (10.5)	3 (13.6)	2 (50.0)	0 (0.0)	1 (50.0)	0 (0.0)	2 (100.0)
INH	30 (8.0)	2 (9.1)	1 (25.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
RFP	16 (4.3)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
EMB	3 (0.8)	2 (9.1)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
Poly drug-resistance
STR+INH	29 (7.8)	1 (4.5)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
STR+RFP	13 (3.5)	2 (9.1)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
STR+EMB	6 (1.6)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
INH+EMB	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
RFP+EMB	6 (1.6)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
STR+RFP+EMB	6 (1.6)	1 (4.5)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
STR+INH+EMB	2 (0.5)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
Overall multi-drug resistance
INH+RFP	21 (5.6)	1 (4.5)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
INH+RFP+STR	52 (13.9)	2 (9.1)	1 (25.0)	0 (0.0)	0 (0.0)	1 (100.0)	0 (0.0)
INH+RFP+EMB	5 (1.3)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
INH+RFP+STR+EMB	47 (12.6)	3 (13.6)	0 (0.0)	1 (100.0)	1 (50.0)	0 (0.0)	0 (0.0)
Total	269	17	4	1	2	1	2

Abbreviations: STR, streptomycin; INH, isoniazid; RFP: rifampicin; EMB, ethambutol.