Table 1.

Characteristics of patients

	Total
Number of included patients	n = 96 (120)
Age	46 ± 8 years
Gender	71.9 % male, 28.1 % female
Body Mass Index (BMI)	28.8 ± 4.7
Affected side	n = 43 left, n = 54 right
Duration of incapacity for work	11.7 ± 9.4 weeks (n = 73)