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Table 1 Proportion of pain charts (n = 53) correctly classified by clinicians as being either from a patient with an L5 or S1 nerve root irritation

From: Where do patients with MRI-confirmed single-level radiculopathy experience pain, and what is the clinical interpretability of these pain patterns? A cross-sectional diagnostic accuracy study

  Discipline % correctly classified (n) Group mean (95%CI)a
Did not see composite pain drawings Chiropractor 64.2% (34) 54.4% (47.8 to 61.0%)
Chiropractor 54.7% (29)
Medical Doctor 41.5% (22)
Medical Doctor 47.2% (25)
Physiotherapist 60.4% (32)
Physiotherapist 58.5% (31)
Observed composite pain drawings for 2 min before rating patient’s pain drawings Chiropractor 49.1% (26) 54.8% (48.1 to 61.3%)
Chiropractor 41.5% (22)
Medical Doctor 64.2% (34)
Medical Doctor 58.8% (31)
Physiotherapist 56.6% (30)
Physiotherapist 58.5% (31)
Could refer to composite pain drawings at any time Chiropractor 54.7% (29) 54.8% (48.0 to 61.4%)
Chiropractor 41.5% (22)
Medical Doctor 56.6% (30)
Medical Doctor 56.8% (30)
Physiotherapist 62.3% (33)
Physiotherapist 56.6% (30)
  1. a The width of the confidence intervals have been adjusted (Tryon, 2001) such that when no numerical overlap occurs between confidence intervals for any particular comparison, a difference between these proportions can be concluded with 95% confidence