Table 4.

Results of decomposition analysis for generic products and branded products.

Drug Group	E	P	V	S
“4 + 7” policy-related	0.63	0.78	1.73	0.47
Generic	1.23	0.68	4.12	0.44
Branded	0.40	0.81	0.42	1.19
Basic alternative	1.25	0.97	1.26	1.02
Generic	1.22	0.98	1.23	1.02
Branded	1.26	0.97	1.28	1.03

E, expenditure index. P, price effects. V, volume effects. S, structure effects.