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Table 1 Comparison of the original (SIC-1.0) and revised (SIC-2.0) subsequent injury categorisation models

From: Comparison of subsequent injury categorisation (SIC) models and their application in a sporting population

SIC-2.0 data-driven category (Toohey et al. 2018) SIC-2.0 clinical category (Toohey et al. 2018) Category description SIC-1.0 category (Finch and Cook 2014)
I 1 No subsequent injury; only one injury was sustained by the athlete throughout the surveillance period 1
II 2 Re-injury after recovery, to the same site, same nature, same side, and same structure (related) 2a
3 Re-injury after recovery, to the same site, same nature, same side, and same structure (unrelated) 6a
III 4 Acute exacerbation before recovery, to the same site, same nature, same side, and same structure 3a
5 Continual/sporadic exacerbation before recovery, to the same site, same nature, same side, and same structure (related) 4a
6 Continual/sporadic exacerbation before recovery, to the same site, same nature, same side, and same structure (unrelated) 5a
IV 7 Injury to the same site, same nature, same side, but of a different structure (related) 2-6a
8 Injury to the same site, same nature, same side, but of a different structure (unrelated) 2-6a
V 9 Injury to the same site, same nature, but different side (related) 2-6a
10 Injury to the same site, same nature, but different side (unrelated) 2-6a
VI 11 Injury to the same site but of a different nature (related) 7
12 Injury to the same site but of a different nature (unrelated) 8
VII 13 Injury to a different site, but of the same nature (related) 9b
14 Injury to a different site, but of the same nature (unrelated) 10b
VIII 15 Injury to a different site and of a different nature (related) 9b
16 Injury to a different site and of a different nature (unrelated) 10b
  1. Adapted from Toohey et al., 2018 (Toohey et al. 2018) with permission
  2. a side and structure of injury was not differentiated in the SIC-1.0 model; b injury nature at different site was not differentiated in the SIC-1.0 model