Table 1 Characteristics of included papers: n = 92
From: Quality of pilot trial abstracts in heart failure is suboptimal: a systematic survey
Characteristic | Count (%)/median (Q1; Q3) |
|---|---|
Year of publication | |
 1990–2006 | 26 (28%) |
 2007–2016 | 66 (72%) |
Intervention type (n = 90) | |
 Pharmacological | 45 (49%) |
 Non-pharmacological | 45 (49%) |
 Both pharmacological and non-pharmacological | 2 (2%) |
Abstract format | |
 • Structured | 74/92 (80%) |
 • Unstructured | 18/92 (20%) |
CONSORT endorsement | |
 • Yes | 30/92 (33%) |
 • No | 62/92 (67%) |
Number of sites | |
 • Single | 61/82 (74%) |
 • Multiple | 21/82 (26%) |
Study duration in months (n = 68) | 3.0 (2.6; 6.1) |
Sample size (n = 88) | 41 (24; 88) |