Effectiveness of an Eye-Cervical Re-Education Program in Chronic Neck Pain: A Randomized Clinical Trial
Table 3
Descriptive statistics of secondary outcomes measurements for all participants and a comparison between the two measurements and the two groups.
Variable
Group
Pretest median (IQR)
Posttest median (IQR)
Within-group
Change score median (IQR)
Between-group
value
value
Effect size
McGill Questionnaire
PRI-S
Control
21.50 (19.00; 27.00)
4.00 (3.00; 5.25)
19.14 (4.79)
0.05
Exp
23.50 (17.50; 27.00)
3.00 (2.00; 4.00)
18.91 (5.25)
PRI-E
Control
3.50 (1.75; 4.00)
1.00 (1.00; 1.00)
2.50 (1.00; 3.00)
0.33
Exp
4.00 (2.75; 4.25)
1.00 (0.00; 1.00)
3.00 (2.75; 4.00)
PRI-V
Control
3,00 (3.00; 3.25)
1.00 (1.00; 2.00)
2.00 (2.00; 2.00)
0.16
Exp
3.00 (3.00; 4.00)
1.00 (1.00; 2.00)
2.00 (2.00; 2.25)
PRI-M
Control
7.00 (7.00; 9.00)
1.00 (1.00; 2.00)
6.00 (6.00; 8.00)
0.004
Exp
7.00 (5.75; 9.00)
0.00 (0.00; 1.00)
5.00 (7.00; 8.00)
PRI-T
Control
37.00 (31.75; 42.25)
8.00 (6.00; 9.00
29.82 (7.33)
0.13
Exp
36.45 (7.77)
5.73 (2.47)
30.73 (6.95)
VAS
Control
68.86 (15.67)
21.95 (11.19)
46.91 (10.13)
0.55
Exp
71.82 (16.51)
18.59 (10.42)
53.23 (12.65)
Mean and SD are shown. Cohen’s d. IQR: interquartile range (first and third quartiles). SD: standard deviation. PRI-E: emotional pain rating index. PRI-M: miscellaneous pain rating index. PRI-S: sensory pain rating index. PRI-T: total pain rating index. PRI-V: evaluative pain rating index.