Fig. 4. Forest plot on pain intensity. Lóez-de-Uralde-Villanueva, et al., 2020(a): manual therapy; Lóez-de-Uralde-Villanueva, et al., 2020(b): manual therapy plus therapeutic patient education based on a biobehavioral approach; Lóez-de-Uralde-Villanueva, et al., 2020(c): manual therapy, therapeutic patient education based on a biobehavioral approach, therapeutic exercise; MartíSalvador, et al., 2018(a): before and after comparison of manual therapy; MartíSalvador, et al., 2018(b): comparison of manual therapy and control group; Zafereo, et al. 2018(a): before and after comparison of manual therapy; Zafereo, et al. 2018(b): comparison of manual therapy and control group.
