Molecular insights from skin biopsies: Deciphering microvascular pathology in peripheral vascular diseases

Table 3 Quality assessment for observational and cross-sectional studies using the Newcastle-Ottawa Scale

Ref.	Selection (0-4)	Comparability (0-2)	Outcome assessment (0-3)	Total score (0-9)	Quality
Magro et al[8]	4	2	3	9	High
Gonzalez et al[4]	3	1	2	6	Moderate
Santos-Gόmez et al[10]	2	1	1	4	Low
Narula et al[21]	4	2	3	9	High
De Gottardi et al[6]	3	1	2	6	Moderate
Dinsdale et al[22]	4	2	3	9	High
Vital et al[15]	3	1	2	6	Moderate
Shivaprasad et al[19]	4	2	3	9	High
Nebuchennykh et al[17]	2	1	1	4	Low
Yozgatli et al[20]	4	2	3	9	High