Table 2.

Meta-analyses of the correlation between LINC00511 expression and clinicopathological features

Variables	Number of studies	Number of patients	Model	OR		Heterogeneity
				95% CI	p-value	I2 (%)	PH
Gender (Male vs. Female)	6	498	Random	0.98 (0.53–1.85)	0.96	58	0.04
Age
≥45 vs. < 45	1	84	–	0.66 (0.28–1.59)	0.36	–	–
≥50 vs. < 50	6	462	Fixed	0.69 (0.47–1.01)	0.06	0	0.98
≥60 vs. < 60	1	140	–	0.72 (0.34–1.52)	0.39	–	–
≥65 vs. < 65	2	173	Fixed	0.59 (0.29–1.20)	0.15	0	0.89
Histological grade (poor vs. well and moderate)	8	725	Fixed	1.34 (0.97–1.85)	0.07	0	0.75
Histological tumor type (adenocarcinoma vs. squamous cell carcinoma)	3	300	Random	2.80 (0.58–13.59)	0.20	71	0.03
Tumor size (large vs. small)	11	916	Random	3.10 (1.97–4.86)	< 0.00001	50	0.03
Lymph node metastasis (positive vs. negative)	10	880	Fixed	3.11 (2.30–4.21)	<  0.00001	42	0.08
Clinical stage (late vs. early)	8	643	Fixed	3.95 (2.68–5.81)	< 0.00001	0	0.48
Distant metastasis (Yes vs. No)	3	215	Fixed	2.39 (1.16–4.93)	0.02	21	0.28
Recurrence (Yes vs. No)	3	274	Fixed	4.62 (2.47–8.65)	< 0.00001	0	0.66

Abbreviations: OR Odd ratio, P_HP-value of heterogeneity