Were economic evaluations well reported for the newly listed oncology drugs in China’s national reimbursement drug list

Table 1 Basic information of the included studies

Characteristic		Number	%
Author numbers	1 ~ 3	21	26.25
	4 ~ 6	36	45.00
	≥ 7	23	28.75
Published year	2009 ~ 2015	15	18.75
	2016 ~ 2018	31	38.75
	2019 ~ 2021	34	42.50
Language	English	46	57.50
Language	Chinese	34	42.50
Affiliation of the first author	University	18	22.50
Affiliation of the first author	Hospital	62	77.50
Region of first author	the east region	51	63.75
	the central region	11	13.75
	the west region	18	22.50
Tumor type	Colorectal cancer	13	16.25
	Non-small cell lung cancer	37	46.25
	Hepatocellular carcinoma	8	10.00
	Breast cancer	7	8.75
	Gastric cancer	4	5.00
	Renal cell carcinoma	2	2.50
	Myeloid leukemia	5	6.25
	Multiple myeloma	1	1.25
	Nasopharyngeal carcinoma	1	1.25
	Ovarian Cancer	2	2.50
Method of economic evaluation	Cost-utility analysis	67	83.75
	Cost-effectiveness analysis	12	15.00
	Cost minimization analysis	1	1.25
Study design^b	Prospective Study	4	5.00
	Retrospective Study	10	12.50
	Modeling Study	66	82.50
Source of funding	No funding	13	16.25
	Government^a	32	40.00
	Pharmaceutical company	8	10.00
	Not mentioned	27	33.75
Study Perspective	Health insurance system	19	23.75
	Healthcare system	38	47.50
	Societal	10	12.50
	Patient	4	5.00
	Health Care Provider	1	1.25
	Not mentioned	8	10.00
Time horizon	Not mentioned	17	21.25
	< 1 year	1	1.25
	1–5 year	16	20.00
	6–10 year	31	38.75
	> 10 year	15	18.75
Total		80	100.00

^a Including other government-funded institutions, such as public hospitals
^b The economic evaluation studies based on modeling or empirical research (such as patient level or cluster level human studies). The design of this empirical study can be classified as a prospective or retrospective study. Prospective studies are studies in which the investigator conducts the study according to the requirements of the topic and design chosen and prospectively collects patient information needed for the economic evaluation. Retrospective studies tend to include patients retrospectively and collect patient information from pre-existing information such as various databases or hospital data systems

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