Het volume van chirurgische ingrepen en de impact ervan op ... - KCE

KCE Reports 113 Volume Outcome 13
Figure 2.1: Flow diagram of literature search
Studies identified from manual
and reference list search
(n = 15)
Potentially relevant studies
identified and screened for
retrieval from electronic search
(n = 905)
Studies identified for more
detailed information
(n = 128)
Studies identified from
electronic search
(n = 62)
Studies reviewed in detail
(n = 77)
Studies included in final analysis
(n = 36)
Systematic reviews used to draw
up a list of procedures and
conditions
(n = 25)
Studies excluded on the basis of
title review
(n = 777)
Studies excluded on the basis of
abstract review (n = 66)
Reasons:
Population 6
Intervention 12
Comparison 5
Design 41
Other reasons 2
Studies excluded on the basis of
full text review (n = 41)
Reasons:
Intervention 1
Comparison 1
Design 29
Duplicate 8
Language 2
Systematic reviews excluded
after the first quality appraisal
(n = 11)
Reasons:
Poor quality 10
Appendix not available 1
2.3.2 Results in relation to the selection of procedures, conditions and
outcome measures (second research question)
The literature search resulted in a long list of 65 procedures and conditions which were
studied in the selected systematic reviews: 13 cardiovascular, 5 neurological, 5
orthopaedic, 1 trauma, 3 intensive care, 18 oncologic, 7 gastrointestinal, 6 medical, and
7 miscellaneous. All these are listed in Appendix 6.