Skip to main content

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 5 Group comparison of intra- and intergroup temporal variations in measurement b

From: A comparison of ice wrap and subacromial injection for postoperative pain and edema control following arthroscopic rotator cuff repair

 

Groups

Statistics

Ice wrap

\(\stackrel{-}{x}\pm sd\)

SI

\(\stackrel{-}{x}\pm sd\)

Ice wrap

\(\stackrel{-}{x}\pm sd\)

F

P

Preop measurement b (cm)

28.2 ± 1.98

28.75 ± 2.12

28.8 ± 1.7

0.581

0.563

Measurement b (cm) at 0 days postop

29.9 ± 2.3

30.5 ± 2.8

30.5 ± 2.9

0.350

0.706

Measurement b (cm) at 1 day postop

29.57 ± 2.1

29.95 ± 2.6

29.75 ± 1.8

0.161

0.852

Measurement b (cm) at 7 days postop

28.78 ± 2.56

29.3 ± 2.85

29.18 ± 1.6

0.290

0.749

Measurement b (cm) at 14 days postop

28.17 ± 1.7

29.2 ± 2.3

29.25 ± 1.8

2.0126

0.141

Measurement b (cm) at 21 days postop

27.96 ± 1.97

28.8 ± 2.26

28.88 ± 1.59

1.380

0.260

Test statistics

F = 7.832*

p < 0.001

F = 4.648*

p < 0.001

F = 3.275*

p < 0.001

 

Model statistics*

 

F

P

Group effect

0.712

0.495

Time effect

30.052

 < 0.001

Effect of group × time interaction

50.589

0.790

  1. *Two-way repeated measures variance analysis; a, b, c, d, e are results of inline multiple comparison test with Bonferroni correction