For smerte og handicap (Oswestry score) var positivt udfald 72, 9% versus 72, 5% (95% to- sidet konfidensinterval for forskellen: - 11, 2, 12, 0).
For pain and disability (Oswestry score), the success rate was 72.9% versus 72.5% (95% two-sided CI of the difference: -11.2, 12.0).