Table 4. Drug resistance properties of the Beijing family strains and strains of other genotypes.

	Children		P value	Adolescents		P value	Adults		P value	Total		P value
	Beijing	non-Beijing		Beijing	non-Beijing		Beijing	non-Beijing		Beijing	non-Beijing
	N (%)	N (%)		N (%)	N (%)		N (%)	N (%)		N (%)	N (%)
RIF	28 (36.4)	2 (15.4)	0.244	34 (26.4)	3 (10.0)	0.091	49 (34.0)	18 (38.3)	0.602	111 (31.7)	23 (25.6)	0.305
INH	26 (33.8)	3 (23.1)	0.658	44 (34.1)	4 (13.3)	0.028	63 (43.8)	22 (46.8)	0.738	133 (38.0)	29 (32.2)	0.329
STR	32 (41.6)	4 (30.8)	0.551	39 (30.2)	9 (30.0)	1	64 (44.4)	19 (40.4)	0.735	135 (38.6)	32 (35.6)	0.628
EMB	17 (22.1)	2 (15.4)	0.857	34 (26.4)	2 (6.7)	0.027	34 (23.6)	6 (12.8)	0.148	85 (24.3)	10 (11.1)	0.009
MDR	20 (26.0)	2 (15.4)	0.636	32 (24.8)	3 (10.0)	0.09	45 (31.3)	14 (29.8)	0.859	97 (27.7)	19 (21.1)	0.229