Table 2. Characteristics of the included studies.
Studies | ERr 731® therapy (n; age [years, mean±SD]) |
Placebo therapy (n; age [years, mean±SD]) |
Study duration (weeks) |
aData regarding the age of participants is not available.Abbreviation: SD, standard deviation. | |||
Heger M et al., 2006[16] | 54; 49.3±3.0 | 55; 48.6±3.1 | 12 |
Kaszkin-Bettag M et al., 2009[17] | 56; 49.4±3.6 | 56; 49.6±3.0 | 12 |
Hasper I et al., 2009[18] | 39; 49.5±2.8 | 41; 49.0±3.2 | 12 |
Thiemann E et al., 2017[19] | 44a | 45a | 12 |