| Number (%) |
---|---|
Site of previous SR/MA protocols register, n = 150 (checklist choice) | |
 ➣ PROSPERO University of York | 107 (71.3) |
 ➣ Cochrane Database of SRs (CDSR) | 68 (45.3) |
 ➣ Campbell Collaboration | 4 (2.7) |
 ➣ Other | 13 (8.7) |
Proportion of SR/MA that was registered before starting, n = 267 | |
 ➣ 100% | 27 (10.1) |
 ➣ 80–100% | 21 (7.9) |
 ➣ 50–80% | 32 (12) |
 ➣ 20–50% | 27 (10.1) |
 ➣ < 20% | 42 (15.7) |
 ➣ None of them | 118 (44.2) |
Proportion of SR/MA that was registered, but never come to publish, n = 260 | |
 ➣ 100% | 2 (0.8) |
 ➣ 80–100% | 1 (04) |
 ➣ 50–80% | 1 (0.4) |
 ➣ 20–50% | 10 (3.8) |
 ➣ < 20% | 38 (14.7) |
 ➣ None of them | 190 (80) |
Reason for not publishing registered SR/MA, n = 185 (checklist choice) | |
 ➣ Have not reached the favorable conclusion | 48 (26) |
 ➣ Have not finished | 129 (69.7) |
 ➣ Pressure from sponsor/contractor | 18 (9.7) |
 ➣ Other | 46 (24.9) |
Ever conducted SR/MA of basic biomedicine, such as in vivo or in vitro studies? n = 267 | 43 (16.1) |
If yes, did you register the protocol, n = 96 | |
 ➣ Yes | 9 (9.4) |
Have you been rejected by PROSPERO when submitted a SR/MA protocol in basic biomedicine?, n = 191 | 3 (1.6) |
If yes, What did you do when you got the rejection, n = 18 | |
 ➣ Contact PROSPERO University of York | 2 (11.1) |
 ➣ Revise and re-submit it to PROSPERO without any contact | 0 (0) |
 ➣ Other | 16 (88.9) |
Duration for the PROSPERO to accept protocol?, n = 107 | |
 ➣ 1 to 3 working days | 62 (58) |
 ➣ 4 to 6 working days | 22 (20.6) |
 ➣ 1 week to 1 month | 22 (20.6) |
 ➣ > 1 month | 1 (1) |
Average duration (in months) from registration to submission of your SR/MA manuscript, mean (SD), n = 115 | 11.1 (8.1) |
Is registration of SR/MA protocol required in your institution?, n = 247 | |
 ➣ Yes | 15 (6.1) |
 ➣ No | 190 (77) |
 ➣ Do not know | 42 (17) |
Are your SR/MA protocols agreed by sponsors?, n = 206 | |
 ➣ Yes | 53 (26) |
 ➣ No | 53 (26) |
 ➣ I do not inform the sponsor | 100 (48) |
Opinion on reason for not registering SR/MA, n = 263 (checklist choice) | |
 ➣ Submitting protocol takes too much time | 86 (32.7) |
 ➣ Afraid of others stealing ideas | 64 (24.3) |
 ➣ Did not know that it should be registered | 118 (44.9) |
 ➣ Have no idea about the benefit of registering the protocol | 92 (35) |
 ➣ It is not mandatory | 113 (43) |
 ➣ Other | 30 (11.41) |