Table 3. Associations of the drug resistance profile with the strain lineage and the patient history of previous anti-TB drugs.

Isolate profile (MGIT)	Beijing (N = 111, 77%)		Euro-American (N = 33, 23%)				Primary cases (N = 67)		Retreatment cases (N = 58)		Relapse cases (N = 19)
	BO/ W148	Other Beijing	Haarlem	LAM	Ural	Other EA
XDR	10	21	0	5	2	2	4	6%	27	47%	9	47%
MDR	18	41	2	2	2	0	32	48%	26	45%	7	37%
DR	2	12	0	0	2	4	12	18%	5	9%	3	16%
S	0	7	1	4	0	7	19	28%	0	0%	0	0%