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Table 3 Proportions (%) of patients with a poor outcome across Start Back Tool categories defined by cut-off points for each outcome

From: Relationship between STarT Back Screening Tool and prognosis for low back pain patients receiving spinal manipulative therapy

Outcomes 14 days (n) 30 days (n) 90 days (n)
PGIC
Low 36.1 (35) 29.1 (16) 18.2 (12)
Medium 30.3 (23) 29.5 (13) 27.5 (14)
High 33.9 (21) 28.1 (9) 27.3 (9)
≤2 on NRS
Low 37.9 (33) 24.0 (12) 23.0 (14)
Medium 24.7 (18) 26.2 (11) 24.5 (12)
High 32.8 (19) 32.3 (10) 18.8 (6)
≤47% on BQ
Low 28.9 (24) 20.4 (10) 14.0 (8)
Medium 29.4 (20) 25.6 (10) 19.6(9)
High 41.5 (22) 29.0 (9) 18.2 (6)
  1. PGIC = Patient Global Impression of Change; NRS = Numerical Rating Scale; BQ = Bournemouth Questionnaire.