Table 1 Completion of electronic Case Report Forms (CRFs) and the number of data queries by study site
From: Integrating technology into complex intervention trial processes: a case study
Study site | Number of participants recruited | Number of required CRFs | Number of completed CRFs | Completed CRFs (% total) | Number of Data queries | Median time to query resolution (days) |
|---|---|---|---|---|---|---|
1 | 10 | 654 | 643 | 98.3 | 22 | 4 |
2 | 2 | 124 | 120 | 96.8 | 6 | 1.5 |
3 | 4 | 239 | 237 | 99.2 | 22 | 1 |
4 | 5 | 325 | 325 | 100.0 | 18 | 1.5 |
5 | 6 | 337 | 337 | 100.0 | 22 | 6 |
6 | 4 | 241 | 240 | 99.6 | 8 | 19 |
7 | 10 | 576 | 563 | 97.7 | 18 | 2 |
8 | 5 | 182 | 174 | 96.0 | 25 | 2 |
Total | 46 | 2678 | 2639 | 98.5 | 141 | 3 |