Table 3.

Quality Assessment of Included Studies

Study	Prospective Data Collection	Description of Selection Criteria	Assessment of Baseline PAD Severity	Detailed Population Characteristics	Follow‐Up ≥4 Years	≥90% of Participants Included in Final Analysis	Comprehensive Mortality Assessment*	Adjustment for Population Stratification
Jain et al8	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Leeper et al19	Yes	No	No	Yes	Yes	Yes	Yes	No
Jain et al18	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
McDermott et al21	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
McDermott et al20	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
Singh et al24	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
de Liefde et al25	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Sakamato et al23	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Gardner et al17	No	Yes	Yes	Yes	Yes	N/A	Yes	No
McDermott et al22	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes

N/A indicates not applicable due to retrospective study design; PAD, peripheral artery disease.

^*Considered comprehensive if mortality status was searched on a Social Security death register or if proxies of study participants were contacted.