Table 5 Comparing eligible citations retained and missed by derived algorithms
Variable | True positives | False negatives | p value |
|---|---|---|---|
N | 55 | 28 | |
Year, median (IQR) | 2012 (2005–2015) | 2014 (2009–2016) | 0.57 |
Population size, median (IQR) | 178 (23–640) | 303 (72–901) | 0.14 |
Citations, median (IQR) | 13 (5–26) | 11 (6.5–25) | 0.96 |
Journal impact, median (IQR) | 2.79 (2.12–3.98) | 3.03 (1.88–3.83) | 0.93 |
Structured abstract, N (%) | 32 (58.2%) | 10 (35.7%) | 0.07 |
Available on PubMed, N (%) | 51 (92.7%) | 27 (96.4%) | 0.66 |