Evolution of evidence in spinal surgery – past, present and future Scientometric analysis of randomized controlled trials in spinal surgery

Figure 1 Scientometric analysis framework.

Figure 2 Scientific output in stem cell therapy for diabetes from 1990–2019. RCT: Randomized controlled trials.

Figure 3 Journal citation network on stem cell therapy for diabetes. Journals with more than 750 co-citations were labelled.

Figure 4 Coauthor collaboration network in spinal surgery.

Figure 5 Co-institution collaboration network in spinal surgery.

Figure 6 Co-country collaboration network in spinal surgery.

Figure 7 Co-citation network in spinal surgery. The studies depicted in the network are the top 50 per slice and labeled with a threshold frequency of 10 citations and the largest citation subnetwork is displayed.

Figure 8 Cluster map of literature in spinal surgery. The clusters are named in CiteSpace based on the keywords used in articles along with a log-likelihood algorithm.

Figure 9 Co-occurrence network of research categories in spinal surgery.

Figure 10  Comprehensive knowledge map in spinal surgery research: 1990–2019.