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Table 3 Percent distribution of Clinical Classifications Software (CCS) categories by cluster

From: Multimorbidity and quality of life after blast-related injury among US military personnel: a cluster analysis of retrospective data

CCS category Cluster
Musculoskeletal Heterogeneous Concussion/ anxiety Polytrauma Clinical triad
Adjustment disorders 11.4 17.8 32.4 24.1 52.9a
Anxiety disorders 13.3 21.8 53.7a 30.3 76.0a
Back problem 3.9 27.3 45.3 23.4 54.1a
Headache/migraine 4.6 11.9 83.8a 17.5 59.5a
Intracranial injury 7.3 12.1 52.1a 49.6 63.2a
Open wound extremity 40.4 12.6 3.2 67.5a 28.1
Open wound head, neck, trunk 14.7 9.5 2.9 54.7a 19.0
Other connective tissue 56.2a 11.0 14.9 74.1a 69.4a
Other joint disorder 72.4a 24.5 21.7 55.5a 72.3a
Other nerve disorder 27.6 14.0 39.5 77.4a 70.7a
Other injury 21.2 11.5 4.5 72.6a 21.1
  1. aMet inclusion criterion of 0.5