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Table 2 Score distributions, skewness, kurtosis and of the four items in the expectations scale

From: Construct validation and correlates of preoperative expectations of postsurgical recovery in persons undergoing knee replacement: baseline findings from a randomized clinical trial

Variable

Minimum (% of sample)

Maximum (% of sample)

Mean (sd)

Skewness (SE)

Kurtosis (SE)

Pain

0 (64.3)

2 (5.2)

0.59

1.13*** (.13)

.27 (.25)

Limitations

0 (60.2)

2 (7.3)

0.63

.99*** (.13)

−.08 (.25)

Successa

0 (72.7)

10 (0.5)

1.32

−3.70*** (.13)

17.74*** (.25)

Complications

0 (56.3)

10 (2.3)

2.47

1.85*** (.13)

2.84*** (.25)

  1. aThis item has been reverse coded such that that higher scores equated to worse outcomes, much like the other items in the scale
  2. *** P < .001