Table 2.

Bath therapy: number of patients included in the experimental and control groups.

Study	Treated Patients	Treatment	Control Group	Ongoing treatment	Total Patients
Gaal J et al. 2008	38	Bath therapy (#)	- - -	- - -	38
Kovàcs I. et al. 2002	31	Bath therapy (°)	27	yes	58
Tishler M., et al. 2004	48 (§)	Bath therapy (#)	24	yes	72
Karagülle M. et al. 2007	10 (∧)	Bath therapy (#)	10	yes	20
Kulisch A et al. 2014	38	Bath therapy (##)	39	yes	77
Total Patients	165		100		265

(§) 4 patients did not complete the study.

(^∧) 1 patient has not completed the study.

(°) 2 experimental groups included, the first one treated by balneotherapy, the second one with physical therapy.

(∗) Ongoing treatment.

(#) Allowed NSAIDs treatment.

(°) Not allowed any physical or pharmacological treatment during the study.

(##) Not allowed physical treatment and changes in ongoing NSAIDs therapy.