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Table 2 Results from Repeated Measures Models for Each Outcome with of Number of PT Visits

From: Level of participation in physical therapy or an internet-based exercise training program: associations with outcomes for patients with knee osteoarthritis

  

Model without Interaction

Model with Interaction

Estimate (95% CI)

p-value

Estimate (95% CI)

p-value

WOMAC Total Score

# PT visits

−1.18 (−1.91, − 0.46)

0.0015

− 1.97 (− 3.14, − 0.80)

< 0.01

# PT visits * time

–

–

0.10 (− 0.02, 0.21)

0.10

WOMAC Function Score

# PT visits

− 0.80 (− 1.33, − 0.28)

0.003

− 1.29 (− 2.17, − 0.42)

<  0.01

# PT visits * time

–

–

0.06 (− 0.03, 0.15)

0.17

WOMAC Pain Score

# PT visits

− 0.29 (− 0.46. -0.11)

0.001

− 0.54 (− 0.80, − 0.29)

< 0.01

# PT visits * time

–

–

0.03 (0.01, 0.05)

< 0.01

2-Minute Step Test

# PT visits

1.57 (− 0.01, 3.15)

0.05

0.99 (−1.92, 3.90)

0.50

# PT visits * time

–

–

0.08 (− 0.24, 0.40)

0.64

  1. N = 135 for WOMAC Pain and 2-min; N = 134 for WOMAC Total and Function
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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