Looking for Responders among Women with Chronic Pelvic Pain Treated with a Comicronized Formulation of Micronized Palmitoylethanolamide and Polydatin

Table 2

Quality score given for each study.

	Type of study	Availability of descriptive data	Numerosity of the series	Presence and appropriateness of comparator arm	Total score of the study
Dell’Anna and De Marzi [29]	2	2	1	-1	4
Di Francesco and Pizzagallo [22]	3	2	-1	0	4
Dionisi and Senatori [30]	2	2	1	-1	4
Giugliano et al. [31]	2	2	1	-1	4
Indraccolo and Barbieri [20]	0	3	-1	-1	1
Murina et al. [32]	3	2	-1	1	5
Stocco and Schievano [34]	2	2	-1	-1	2

No observational study with comparator arm has been found (so the Newcastle-Ottawa scale was not applied). The Giugliano et al. [31] study is a two-arm study; both arms are treated with the m-(PEA/Pol).