Table 3.

Drug resistance rates (%) by history of treatment.

Drug resistance pattern	New cases (n=297)	Old cases (n=58)	P value (new vs. old)
Any drug resistance	25.3	44.8	0.001
S	12.1	29.7	0.001
H	13.8	32.8	0.001
R	5.7	25.9	0.001
E	8.4	20.7	0.005
Multidrug resistance	4.4	22.4	0.001
H+R	1.0	5.2	0.05
H+R+E	–	1.7	0.16
H+R+S	1.7	3.4	0.32
H+R+E+S	1.7	12.1	0.001