#	Searches	Results
1	exp Nurses/	71138
2	Midwifery/	15065
3	(nurse or nurses or midwife or midwives).ti,ab.	199597
4	or/1‐3	244175
5	Physicians/	61940
6	General Practitioners/	2235
7	Physicians, Family/	14696
8	Physicians, Primary Care/	1355
9	(physician* or doctor or doctors or general practitioner* or GP* or family practitioner? or conventional care or usual care or treatment as usual).ti,ab.	508208
10	or/5‐9	540257
11	Primary Health Care/	55075
12	Family Practice/	59999
13	Ambulatory Care/	36174
14	exp Ambulatory Care Facilities/	44114
15	Community Health Services/	27027
16	Community Medicine/	1890
17	Home Care Services/	27898
18	(primary care or primary healthcare or primary health care or primary practice? or general practice? or family practice? or outpatient? or ambulatory care or community care or community health* or community medicine or home care).ti,ab.	263380
19	or/11‐18	397575
20	Community Health Nursing/	18468
21	Delegation, Professional/	431
22	exp Nurses/ma, ut [Manpower, Utilization]	1863
23	Midwifery/ma, ut [Manpower, Utilization]	305
24	Nurse's Role/	33510
25	(substitut* or delegat* or (task? adj2 shift*) or (change* adj2 role?) or (expand* adj2 role?) or (extend* adj2 role?) or (expand* adj2 responsabilit*) or (extend* adj2 responsabilit*) or (expand* adj2 task?) or (extend* adj2 task?)).ti,ab. and (nurse or nurses or midwife or midwives).mp.	2931
26	(nurse led or nurse managed or nurse run).ti,ab.	2509
27	or/21‐26	40314
28	Professional Role/	8704
29	Professional Autonomy/	8537
30	Professional Competence/	20500
31	Clinical Competence/	66723
32	"Task Performance and Analysis"/	24353
33	"Outcome Assessment (Health Care)"/	50016
34	Delivery of Health Care/	66159
35	Health Resources/ma [Manpower]	1
36	((role or competence or performance or skill?) adj3 (nurse or nurses or midwife or midwives)).ti,ab.	11774
37	or/28‐36	245604
38	randomized controlled trial.pt.	382060
39	pragmatic clinical trial.pt.	92
40	controlled clinical trial.pt.	88475
41	multicenter study.pt.	177243
42	(randomis* or randomiz* or randomly allocat* or random allocat*).ti,ab.	410331
43	(trial or multicenter or multi center or multicentre or multi centre).ti.	154503
44	or/38‐43 [Modified version of CHSSS Max Sensitivity/Precision 2008]	800967
45	exp Animals/	17606521
46	Humans/	13630323
47	45 not (45 and 46)	3976198
48	review.pt.	1925848
49	meta analysis.pt.	52132
50	news.pt.	165705
51	comment.pt.	606507
52	editorial.pt.	366834
53	cochrane database of systematic reviews.jn.	10839
54	comment on.cm.	606507
55	(systematic review or literature review).ti.	55879
56	or/47‐55	6755068
57	44 not 56	679799
58	4 and 10 and 19 and 57	1440
59	10 and 20 and 57	87
60	19 and 27 and 57	428
61	4 and 19 and 37 and 57	400
62	or/58‐61	1809