Table 4

Subscores for the severity of cervical dystonia, functional disability, and associated pain according to the modified TWSTRS scale preoperatively and on long term follow up in 34 patients after EMG guided surgical treatment

Preop ScorePostop ScoreP value
Total severity score:16.357.88<0.0001
 Rotation2.180.97<0.0001
 Tilt1.900.90<0.0001
 Anteflexion/retroflexion1.060.320.0001
 Percentage of time2.822.00<0.0001
 Shoulder elevation1.520.67<0.0001
 Range of voluntary motion1.910.74<0.0001
 Time head can be held  straight2.560.82<0.0001
 Effect of sensory tricks1.300.760.0004
 Lateral shift0.390.270.125
 Sagittal shift0.090.091.0
 Head tremor0.410.320.37
 Head jerking0.500.180.0068
Total functional disability score:34.0614.53<0.0001
 Work/domestic work2.911.53<0.0001
 Driving3.151.62<0.0001
 Reading3.421.65<0.0001
 Writing3.061.46<0.0001
 Watching television3.121.38<0.0001
 Outside activities3.441.56<0.0001
 Drinking2.880.97<0.0001
 Eating2.740.97<0.0001
 Personal hygiene2.620.94<0.0001
 Dressing2.410.77<0.0001
 Verbal communication0.790.350.0564
 Social embarrassment3.591.68<0.0001
Total pain score:4.972.74<0.0001
 Severity of pain2.321.18<0.0001
 Presence of pain2.651.53<0.0001