Table 2. Baseline characteristics and recruitment overview of all 15 RCTs included in this study.

Sr. no.	Recruitment		Intent	Site	Screened	Enrolled	Screen failed
	From	Till
1	01/2021	09/2021	Palliative	Head and neck	208	151	57
2	11/2016	08/2019	Curative	Head and neck	637	137	500
3	07/2017	05/2021	Curative	Head and neck	777	356	421
4	2013	2017	Curative	Head and neck	892	300	592
5	04/2017	05/2019	Curative	Head and neck	308	128	180
6	2012	2018	Curative	Head and neck	754	536	218
7	05/2016	01/2020	Palliative	Head and neck	594	422	172
8	2017	2018	Palliative	Lung	237	128	109
9	11/2014	03/2017	Palliative	Lung	351	200	151
10	05/2013	03/2018	Palliative	Lung	521	308	213
11	2016	2018	Palliative	Lung	712	350	362
12	02/2012	04/2016	Palliative	Lung	497	290	207
13	03/2010	03/2015	Curative	Any	749	192	557
14	01/2017	03/2017	Curative	Brain	112	65	47
15	03/2018	01/2019	Palliative	Brain	132	103	29