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Table 4 Inter-rater reliability and agreement between PTs and experts of visual observations of posture from photographs

From: Inter-rater reliability of the evaluation of muscular chains associated with posture alterations in scoliosis

Body regions

Reliability

 

Agreement

Posture indices

PTs

Experts*

PTs vs experts

 

Kappa (%A)

Kappa (%A)

ICC (95% CI)

Head : Protraction

0.75 (88)

1.00 (100)

0.71 (0.17 – 0.97)

   Lateral bending

0.42 (61)

0.55 (80)

0.97 (0.93 – 1.00)

   Rotation

0.18 (45)

0.55 (80)

0.88 (0.67 – 0.99)

Cervical Lordosis

0.29 (53)

1.00 (100)

0.78 (0.38 – 0.97)

Shoulders : Elevated

0.30 (48)

1.00 (100)

0.85 (0.58 – 0.98)

     Protracted

0.13 (35)

0.00 (60)

0.81 (0.46 – 0.98)

     Rounded

0.03 (27)

0.55 (80)

0.11 (−2.15 – 0.87)

Scapulas : Adducted

0.44 (58)

0.55 (80)

0.96 (0.89 – 1.00)

      Abducted

0.34 (50)

0.00 (60)

0.90 (0.70 – 0.99)

Thoracic Kyphosis

0.39 (50)

0.55 (80)

0.95 (0.85 – 0.99)

Trunk list

0.59 (71)

0.55 (80)

0.26 (−1.10 – 0.91)

Lumbar Lordosis

0.45 (63)

1.00 (100)

0.95 (0.85 – 0.99)

Pelvis : Frontal pelvic tilt

0.20 (47)

0.00 (60)

0.60 (−0.15 – 0.95)

      Anterior tilt

0.25 (44)

1.00 (100)

0.97 (0.92 – 1.00)

      Posterior tilt

0.61 (71)

1.00 (100)

0.97 (0.92 – 1.00)

Knees : Valgus

0.48 (61)

1.00 (100)

0.96 (0.88 – 1.00)

     Varus

0.65 (74)

0.55 (80)

0.99 (0.98 – 1.00)

     Recurvatum

0.55 (66)

0.00 (60)

0.94 (0.82 – 0.99)

     Flexum

0.47 (60)

-0.15 (40)

0.98 (0.95 – 1.00)

Feet : < Plantar arch

0.33 (50)

0.55 (80)

0.97 (0.90 – 1.00)

     > Plantar arch

0.72 (79)

1.00 (100)

1.00 (0.99 – 1.00)

     Valgus

0.38 (53)

0.55 (80)

0.98 (0.94 – 1.00)

     Varus

0.63 (72)

1.00 (100)

0.99 (0.96 – 1.00)

  1. Legend: PTs = physical therapists, %A = percentage of agreement, 95% CI = 95% confidence interval, * Results for the experts before the consensus.