Table 4

 Comparison of mean pain and dysfunction score and sub score values (with 95% confidence intervals)* by treatment group at baseline and 12 months follow up

Score value (mean (95% CI))p Value*
Physiotherapy (n = 43)Surgery (n = 41)
*One way analysis of variance.
ADL, activities of daily living; PRIM score, aggregated pain and dysfunction score used in project on research and intervention in monotonous work (PRIM).
Baseline
Worst pain and discomfort in past 3 months7.3 (6.9 to 7.7)7.6 (7.2 to 8.1)0.32
Average pain and discomfort in past 3 months6.0 (5.5 to 6.5)5.8 (5.3 to 6.3)0.67
Impaired activity (work and ADL)6.2 (5.6 to 6.7)6.5 (5.7 to 7.2)0.48
Average pain and discomfort in past 7 days6.5 (5.9 to 7.0)5.9 (5.2 to 6.6)0.18
Total PRIM score (scale 0–36)25.8 (24.1 to 27.5)25.8 (23.9 to 28.8)0.96
12 months
Worst pain and discomfort in past 3 months5.1 (4.2 to 5.9)5.2 (4.3 to 6.1)0.87
Average pain and discomfort in past 3 months3.9 (3.2 to 4.7)4.1 (3.2 to 4.9)0.83
Impaired activity (work and ADL)4.3 (3.4 to 5.2)4.2 (3.2 to 5.2)0.90
Average pain and discomfort in past 7 days4.2 (3.3 to 5.1)4.1 (3.0 to 5.1)0.86
Total PRIM score (scale 0–36)17.6 (14.2 to 20.9)17.6 (14.0 to 21.2)0.99