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Table 1 Search strategy for MEDLINE

From: Survival of patients with chronic heart failure in the community: a systematic review and meta-analysis protocol

Results from the search run on October 9, 2017
1 heart failure.ti. or *heart failure/ 88,434
2 cardiac failure.ti. or *heart failure/ 83,752
3 congestive cardiac failure.mp. or *congestive heart failure/ 84,241
4 1 or 2 or 3 89,628
5 mortality/ or cardiovascular mortality/ or mortality.mp. 622,213
6 death/ or death.mp. 662,318
7 survival.mp. or median survival time/ or long term survival/ or overall survival/ or survival/ 1,009,482
8 outlook.mp. 9112
9 prognosis/ or prognosis.mp. 626,586
10 5 or 6 or 7 or 8 or 9 2,294,090
11 Clinical study/ 3015
12 Longitudinal study/ 119,557
13 Retrospective study/ 705,410
14 Prospective study/ 495,514
15 Randomized controlled trials/ 121,449
16 Cohort analysis/ 232,290
17 (Cohort adj (study or studies)).mp. 302,021
18 (follow up adj (study or studies)).tw. 43,831
19 (observational adj (study or studies)).tw. 67,469
20 (epidemiologic$ adj (study or studies)).tw. 71,816
21 survival analysis/ 124,907
22 14 not 15 490,244
23 or/11-13,16-22 1,637,345
24 stable.mp. 409,429
25 chronic.mp. 1,132,332
26 community/ or community.mp. 452,486
27 primary care.mp. or primary medical care/ 88,789
28 general practice.mp. or general practice/ 42,899
29 family practice.mp. or general practice/ 75,691
30 general population.mp. or population/ 107,253
31 epidemiolog*.mp. 399,272
32 24 or 25 or 26 or 27 or 28 or 29 or 30 or 31 2,485,198
33 4 and 10 and 23 and 32 3282
34 limit 33 to (“all adult (19 plus years)” and humans) 2866