Table 3. Changes in proportions of different Mycobacterium tuberculosis resistance patterns, Shandong Province, China, 2006–2015*.

Resistance pattern	χ2	p value	R2	X-coefficient	SE
Drug-resistant TB	7.231	0.007	0.58	0.013	0.117
Resistant to INH	12.879	<0.001	0.64	0.013	0.048
Resistant to RIF	26.743	<0.001	0.84	0.018	−0.019
Resistant to EMB	24.972	<0.001	0.68	0.014	−0.024
Resistant to SM	6.555	0.01	0.47	0.011	0.077
Multidrug resistance	21.916	<0.001	0.79	0.015	−0.015
Resistant to INH + RIF + EMB + SM	22.836	<0.001	0.64	0.012	−0.024

*EMB, ethambutol; INH, isoniazid; MDR, multidrug-resistant; RIF, rifampin; ; SM, streptomycin; TB, tuberculosis.