Table 1 Reporting characteristics of the study design for 315 randomly selected HuGE articles (2001–2003)
From: Reporting of Human Genome Epidemiology (HuGE) association studies: An empirical assessment
Reporting characteristic | Count | Percent |
|---|---|---|
Number of study participants | Â | Â |
   < 100 | 49 | 15.6 |
   100–499 | 190 | 60.3 |
   500–999 | 47 | 14.9 |
   >= 1000 | 29 | 9.2 |
Reported the available power of the study | Â | Â |
   No | 275 | 87.3 |
   Yes | 40 | 12.7 |
Reported that multiple study populations or case or control groups were used | Â | Â |
   No | 235 | 74.6 |
   Yes | 80 | 25.4 |
Provided any information on the origin of the study participants | Â | Â |
   No | 38 | 12.1 |
   Yes | 277 | 87.9 |
Provided any information on the enrollment criteria for the study participants | Â | Â |
   No | 8 | 2.5 |
   Yes | 307 | 97.5 |
Sex distribution reported for all study participants | Â | Â |
   No | 84 | 26.7 |
   Yes | 231 | 73.3 |
Mean or median age reported for all study participants | Â | Â |
   No | 109 | 34.6 |
   Yes | 206 | 65.4 |
Standard deviation or interquartile range reported for all study participants | Â | Â |
   No | 143 | 45.4 |
   Yes | 172 | 54.6 |
Explicitly stated the use of unrelated study participants | Â | Â |
   No | 259 | 82.2 |
   Yes | 56 | 17.8 |
Potential for outcome misclassification | Â | Â |
   No | 272 | 86.3 |
   Unclear | 6 | 1.9 |
   Yes | 37 | 11.8 |