Table 2.

Methodological index for non-randomized studies (MINORS) criteria.

Study	Methodological Index for Non-Randomized Studies (MINORS) Criteria
Appropriateness of empirical antibiotics: risk factors of adult patients with sepsis in the ICU [51]	11 (non-comparative study)
Early clinical, functional, and mortality outcomes for heel ulcers treated with a vertical contour calcanectomy [52]	11 (non-comparative study)
Predictors of mortality in patients infected with carbapenem-resistant Acinetobacter baumannii: a systematic review and meta-analysis [53]	20 (comparative study)
Characterisation of antibiotic resistance, virulence, clonality and mortality in MRSA and MSSA bloodstream infections at a tertiary-level hospital in Hungary: a 6-year retrospective study [54]	12 (non-comparative study)
Impact of difficult-to-treat resistance in Gram-negative bacteremia on mortality: retrospective analysis of nationwide surveillance data [55]	11 (non-comparative study)
Frequency and mortality rate following antimicrobial-resistant bloodstream infections in tertiary-care hospitals compared with secondary-care hospitals [56]	16 (comparative study)
Infections and antimicrobial resistance in an adult intensive care unit in a Brazilian hospital and the influence of drug resistance on the thirty-day mortality among patients with bloodstream infections [57]	11 (non-comparative study)
Antibiotic resistance is associated with morbidity and mortality after decortication for empyema [58]	13 (non-comparative study)
Clinical, economic, and humanistic burden of community acquired pneumonia in Europe: a systematic literature review [59]	19 (comparative study)
Clinical features and risk factors for mortality in patients with Klebsiella pneumoniae bloodstream infections [60]	15 (comparative study)
Risk factors for antibiotic resistance and mortality in patients with bloodstream infection of Escherichia coli [61]	11 (non-comparative study)