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Table 3 Quality of reporting of abstracts at BURNS annual meeting 2000 and 2008 according to the Timmer instrument for randomized-control trials

From: Quality of reporting according to the CONSORT, STROBE and Timmer instrument at the American Burn Association (ABA) annual meetings 2000 and 2008

Timmer instrument for RCTs 2000 2008
  oral poster oral Poster
  N % n % n % n %
Question/objective sufficiently described? 5 56 4 100 7 100 2 100
Design evident and appropriate to answer study question? 8 89 3 75 6 86 2 100
Subject characteristics sufficiently described? 7 78 0 0 5 71 2 100
Subjects appropriate to the study question? 7 78 3 75 6 86 1 50
Controls used and appropriate? (if no control, check no) 9 100 4 100 7 100 2 100
Method of subject selection described and appropriate? 0 0 0 0 2 29 0 0
If random allocation to treatment groups was possible, is it described? (if not possible, check n/a) 0 0 1 25 1 14 0 0
If blinding of investigators to intervention was possible, is it reported? (If not possible, n/a) 0 0 0 0 1 14 0 0
If blinding of subjects to intervention was possible, is it reported? (If not possible, n/a)1 2 22 0 0 3 43 0 0
Outcome measure well defined and robust to measurement bias? Means of assessment reported? 7 78 4 100 5 71 2 100
Confounding accounted for? 0 0 0 0 0 0 0 0
Sample size adequate? 0 0 0 0 0 0 0 0
Post hoc power calculations or confidence intervals reported for statistically non significant results? 0 0 0 0 0 0 0 0
Statistical analyses appropriate? 2 22 1 25 3 43 1 50
Statistical tests stated? 0 0 1 25 1 14 1 50
Exact p-values or confidence intervals stated? 7 78 2 50 7 100 2 100
Attrition of subjects and reason for attrition recorded? 0 0 0 0 0 0 0 0
Results reported in sufficient detail? 7 78 3 75 7 100 2 100
Do the results support the conclusions? 9 100 4 100 7 100 2 100
Sum (items 1-19)