Role of MALAT1 as a Prognostic Factor for Survival in Various Cancers: A Systematic Review of the Literature with Meta-Analysis

Table 2

Quality assessment of the studies included in the meta-analysis.

First author	Study participation	Study attrition	Prognostic factor measurement	Outcome measurement	Confounding measurements and adjustments	Analysis
Pang [15]	Yes	Yes	Yes	Yes	Partly	Yes
Zhang [10]	Yes	Yes	Yes	Partly	Partly	Yes
Liu [29]	Yes	Yes	Yes	Yes	Partly	Yes
Zheng [11]	Yes	Yes	Yes	Yes	Partly	Yes
Schmidt [7]	Yes	Partly	Yes	Partly	Partly	Yes
Okugawa [12]	Yes	Yes	Partly	Yes	Partly	Yes
Shen [8]	Partly	Yes	Yes	Partly	Partly	Yes
Lai [9]	Yes	Yes	Partly	Yes	Partly	Yes
Ma [18]	Yes	Yes	Yes	Yes	Partly	Yes