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Table 6 Summary of results on reliability

From: A literature review of clinical tests for lumbar instability in low back pain: validity and applicability in clinical practice

Article

Test

Reliability

Results

Hicks et al. [23]

Aberrant Movement Pattern

Inter-rater reliability

k = 0.60 (95% CI: 0.44; 0.73)

Prone Instability Test

k = 0.87 (95% CI: 0.80; 0.94)

Fritz et al. [24]

Aberrant Movement Pattern

Inter-rater reliability

k = −0.07 (95% CI: −0.45; 0.31)

Prone Instability Test

k = 0.69 (95% CI: 0.59; 0.79)

Posterior Shear Test

k = 0.27 (95% CI: 0.14; 0.41)

Schneider et al. [27]

Prone Instability Test

Inter-rater reliability

k = 0.46 (95% CI: 0.15, 0.77)

k weighed = 0.58

Ravenna et al. [26]

Prone Instability Test with additional guidelines

Inter-rater reliability

(With*) k = 0.10 (95% IC: −0.27; 0.47)

k weighed = 0.27 (95% IC: −0.08; 0.61)

(Without*) k = 0.04 (95% IC: −0.34; 0.42)

k weighed = 0.47 (95% IC: 0.15; 0.78)

Rabin et al. [12]

Aberrant Movement Pattern

Inter-rater reliability

k = 0.64 (95% IC 0.32; 0.90)

Prone Instability Test

k = 0.67 (95% IC 0.29; 1.00)

Passive Lumbar Extension test

k = 0.76 (95% IC 0.46; 1.00)

Active Straight Leg Raising

k = 0.53 (95% IC 0.2; 0.84)

  1. * = Additional guidelines.