Table 2 Quality assessment of included studies on the association between TYG and in-hospital and ICU mortality.

From: Triglyceride–glucose index and the risk of in-hospital and ICU all-cause mortality: a systematic review and meta-analysis of observational studies

Author/year (Reference)

Selection

Comparability

Outcome

Total score

Representativeness of the exposed cohort

Selection of the nonexposed cohort

Ascertainment of exposure

Demonstration that outcome of interest was not present at the start of the study

Comparability of cohorts on the basis of the design or analysis

Assessment of outcome

Was follow-up long enough for outcomes to occur

Adequacy of follow-up of cohorts

Boshen et al. [23]

*

*

*

*

**

*

*

*

9

Cai et al. [10]

*

*

*

*

**

*

*

*

9

Chen et al. [16]

*

*

*

*

**

*

*

*

9

Cheng et al. [21]

*

*

*

*

---

*

*

*

7

Dai. et al. [25]

*

*

*

*

**

*

*

*

9

Liao et al. [4]

*

*

*

*

*

*

*

*

8

Zhai et al. [33]

*

*

*

*

*

*

*

*

8

Zhang et al. [15]

*

*

*

*

*

*

*

*

8

Zhang et al. [34]

*

*

*

*

**

*

*

*

9

Zheng et al. [36]

*

*

*

*

**

*

*

*

9

Cheng et al. [21]

*

*

*

*

*

*

*

*

8

Zhang et al. [35]

*

*

*

*

*

*

*

*

8

Fu et al. [27]

*

*

*

*

*

*

*

*

8

Ye et al. [32]

*

*

*

*

*

*

*

*

8

Gu et al.2022

*

*

*

*

*

*

*

*

8

Liao et al. [4]

*

*

*

*

*

*

*

*

8

Miao et al. [31]

*

*

*

*

*

*

*

*

8

Ding et al. [26]

*

*

*

*

**

*

*

*

9

Jiang et al. [29]

*

*

*

*

**

*

*

*

9

  1. Each star (*) represents one score.