Skip to main content
. 2021 Apr 20;12:646450. doi: 10.3389/fimmu.2021.646450

Table 2.

The quality assessment of included studies.

Study Selection Comparability Outcome Quality score
Representativeness of the exposed cohort6 Selection of the nonexposed cohort Ascertainment of exposure Demonstration that outcome of interest was not present at start of study Comparability of cohorts on the basis of the design or analysis Assessment of outcome Was follow-up long enough for outcome to occur Adequacy of follow up of cohorts
Holtzman 7
Nastoupil 7
Sesques 6
Neelapu 6
Locke 5
Jacobson 7
Ghafouri 6
Strati 7