Table 2 Characteristics of reviews included in this study. Numbers in parenthesis are percentages
From: A survey of prevalence of narrative and systematic reviews in five major medical journals
Characteristics | Systematic review | Narrative review |
|---|---|---|
Clinically oriented (CO) issuea | 73 (97) | 168 (84) |
PHPMb issue | 2 (3) | 32 (16) |
Number of citations | 5461 | 10,000 |
Methodology reported? | ||
• Search | 4 (5) | 126 (63) |
• Selection | 0 (0) | 0 (0) |
• Extraction | 0 (0) | 0 (0) |
• Quality assessment | 0 (0) | 0 (0) |
• Search + selection | 0 (0) | 0 (0) |
• Search + quality assessment | 1 (1.5) | 0 (0) |
• Search + selection + extraction | 3 (4) | 0 (0) |
• Search + selection + quality assessment | 4 (5) | 0 (0) |
• Search + extraction + quality assessment | 1 (1.5) | 0 (0) |
• Search + selection + extraction + quality assessment | 60 (80) | 0 (0) |
• No methodology reported | 2 (3) | 74 (37) |