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Table 4 Diagnostic validity of the musculoskeletal examination performed by the physiotherapist compared to the physicians’ composite diagnosis

From: Diagnostic validity and triage concordance of a physiotherapist compared to physicians’ diagnoses for common knee disorders

  Sensitivity
(95% CI)
Specificity
(95% CI)
Positive Likelihood Ratio
(95% CI)
Negative Likelihood Ratio
(95% CI)
ACL injuries
(n = 8)
100.0%
(52.0–100.0)
99.0%
(97.0–100.0)
171.0
(24.2–1207.0)
0.00
(0.00–0.00)
Meniscal injuries
(n = 36)
97.0%
(85.0–100.0)
96.0%
(91.0–98.0)
23.2
(10.6–50.8)
0.03
(0.00–0.20)
Patellofemoral pain
(n = 45)
91.0%
(79.0–98.0)
97.0%
(93.0–99.0)
30.5
(11.6–80.5)
0.09
(0.04–0.23)
Osteoarthritis
(n = 79)
91.0%
(83.0–96.0)
97.0%
(91.0–99.0)
30.4
(10.0–92.8)
0.09
(0.04–0.19)
Others knee disorders
(n = 11)
82.0%
(48.0–98.0)
100.0%
(97.0–100.0)
267.6
(16.6–4325.6)
0.18
(0.05–0.64)
  1. ACL anterior cruciate ligament. 95% CI: 95% confidence interval