Skip to main content

Table 6 Fisher’s Exact Test for associations between percentile groups of alignment measures and MCID categories (Global)

From: Is the effectiveness of patellofemoral bracing modified by patellofemoral alignment and trochlear morphology?

 

Percentile Groups

Global Improved (%)

 

Variable

Lowest tertile

Middle tertile

Highest tertile

Fisher's Exact Test

Patellar Length Ratio (PLR)

3(25)

5(38.5)

4(30.8)

p = 0.907

Bisect Offset (BO)

8(66.7)

1(7.7)

3(23.1)

p =0.007

Patellar Tilt Angle (PTA)

5(41.7)

5(38.5)

2(15.4)

p = 0.323

Trochlear Inclination (TI) (Lateral)

4(33.3)

3(23.1)

5(38.5)

p = 0.757

Trochlear Inclination (TI) (Medial)

2(16.7)

6(46.2)

4(30.8)

p = 0.383

Trochlear Angle (TA)

3(25)

5(38.5)

4(30.8)

p = 0.907

Sulcus Angle (SA)

4(33.3)

4(30.8)

4(30.8)

p = 1

Lateral Patellofemoral Angle (LPFA)

2(16.7)

6(46.2)

4(30.8)

p = 0.383

Congruence Angle (CA)

5(41.7)

5(38.5)

2(15.4)

p = 0.323

Patellar Lateral Subluxation Distance (PSD)

7(63.6)

4(33.3)

1(8.3)

p =0.023

Lateral Patellar Displacement (LPD)

3(27.3)

5(41.7)

4(33.3)

p = 0.903

  1. BO: p = 0.007
  2. PSD: p = 0.023
  3. For each tertile group, the columns indicate the number (and percent) of that tertile group that fell into the MCID improved category