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. 2011 Jun 13;12:49. doi: 10.1186/1471-2296-12-49

Table 1.

BQ total and sub-scales scores pre and post-treatment

Pre-treatment
Median (interquartile range)
Post-treatment
Median (interquartile range)
z score p-value
BQ total score
(range 0-70 ↑ = worse)
38.5 (25.0-50.2) 23.0 (10.0-40.0) 5.77 < 0.0001
BQ subscales
(range 1-10 ↑ = worse)
Pain 7.0 (5.0-8.0) 4.0 (2.0-7.0) -6.25 <0.0001
Interference with activities 6.0 (3.0-8.0) 3.0 (1.0-7.0) -5.23 <0.0001
Interference with social 5.0 (2.0-8.0) 2.5 (0.0-6.0) -4.79 <0.0001
Anxiety 6.0 (3.0-8.0) 4.0 (1.0-7.0) -4.57 <0.0001
Depression 4.0 (0.0-7.0) 3.0 (0.0-6.0) -3.04 <0.0001
Effect of work 5.0 (2.0-8.0) 3.0 (1.0-7.0) -3.61 <0.0001
Coping 5.0 (3.0-7.0) 3.0 (1.0-6.0) -5.47 <0.0001