Research Article

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.

VariableGroupPretest median (IQR)Posttest median (IQR)Within-groupChange score median (IQR)Between-group
value valueEffect size

McGill Questionnaire
 PRI-SControl21.50 (19.00; 27.00)4.00 (3.00; 5.25)19.14 (4.79)0.05
Exp23.50 (17.50; 27.00)3.00 (2.00; 4.00)18.91 (5.25)
 PRI-EControl3.50 (1.75; 4.00)1.00 (1.00; 1.00)2.50 (1.00; 3.00)0.33
Exp4.00 (2.75; 4.25)1.00 (0.00; 1.00)3.00 (2.75; 4.00)
 PRI-VControl3,00 (3.00; 3.25)1.00 (1.00; 2.00)2.00 (2.00; 2.00)0.16
Exp3.00 (3.00; 4.00)1.00 (1.00; 2.00)2.00 (2.00; 2.25)
 PRI-MControl7.00 (7.00; 9.00)1.00 (1.00; 2.00)6.00 (6.00; 8.00)0.004
Exp7.00 (5.75; 9.00)0.00 (0.00; 1.00)5.00 (7.00; 8.00)
 PRI-TControl37.00 (31.75; 42.25)8.00 (6.00; 9.0029.82 (7.33)0.13
Exp36.45 (7.77)5.73 (2.47)30.73 (6.95)
VASControl68.86 (15.67)21.95 (11.19)46.91 (10.13)0.55
Exp71.82 (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.