#	Searches	Results
1	exp Nurse Practitioners/og, st, ut [Organization & Administration, Standards, Utilization]	4459
2	(nurse adj (led or managed or management or run or delivered)).ti.	1732
3	or/1‐2	6127
4	exp Nurses/	80220
5	Midwifery/	17512
6	(nurse or nurses or midwife or midwives).ti,ab.	238820
7	or/4‐6	287084
8	Physicians/	78793
9	General Practitioners/	5342
10	Physicians, Family/	15802
11	Physicians, Primary Care/	2199
12	(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.	601268
13	or/8‐12	639057
14	Primary Health Care/	64700
15	Family Practice/	63955
16	Ambulatory Care/	39608
17	exp Ambulatory Care Facilities/	50994
18	Community Health Services/	29745
19	Community Medicine/	1966
20	Home Care Services/	31082
21	(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.	317006
22	or/14‐21	464085
23	Community Health Nursing/	19226
24	Delegation, Professional/	533
25	exp Nurses/ma, ut [Manpower, Utilization]	1944
26	Midwifery/ma, ut [Manpower, Utilization]	354
27	Nurse's Role/	37906
28	(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.	3511
29	(nurse led or nurse managed or nurse run).ti,ab.	3356
30	or/24‐29	46163
31	Professional Role/	10722
32	Professional Autonomy/	9162
33	Professional Competence/	22804
34	Clinical Competence/	78620
35	"Task Performance and Analysis"/	28279
36	"Outcome Assessment (Health Care)"/	60323
37	Delivery of Health Care/	76184
38	Health Resources/ma [Manpower]	1
39	((role or competence or performance or skill?) adj3 (nurse or nurses or midwife or midwives)).ti,ab.	13857
40	or/31‐39	286993
41	randomized controlled trial.pt.	456235
42	pragmatic clinical trial.pt.	530
43	controlled clinical trial.pt.	93311
44	multicenter study.pt.	222585
45	(randomis* or randomiz* or randomly allocat* or random allocat*).ti,ab.	530083
46	(trial or multicenter or multi center or multicentre or multi centre).ti.	208025
47	or/41‐46 [Modified version of CHSSS Max Sensitivity/Precision 2008]	984560
48	exp Animals/	21008246
49	Humans/	16648674
50	48 not (48 and 49)	4359572
51	review.pt.	2256553
52	meta analysis.pt.	76540
53	news.pt.	181319
54	comment.pt.	685589
55	editorial.pt.	432663
56	cochrane database of systematic reviews.jn.	13061
57	comment on.cm.	685588
58	(systematic review or literature review).ti.	92433
59	or/50‐58	7614173
60	47 not 59	830997
61	3 and 60	487
62	7 and 13 and 22 and 60	1798
63	13 and 23 and 60	91
64	22 and 30 and 60	587
65	7 and 22 and 40 and 60	496
66	or/61‐65	2532
67	remove duplicates from 66	2360
68	limit 67 to yr="2015 ‐ 2017"	350