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. 2018 Aug 14;11:4877–4891. doi: 10.2147/OTT.S169823

Table 2.

Basic information of included articles

lncRNA Study Country/source Study design Sample Number Stage Cutoff Method Follow-up (months) OS HR (L/H) HR (H/L) 95% CI
AFAP1-AS1 Feng et al3 China R Frozen 91 I–IV None qRT-PCR 66 Multivariate 3.32 1.55–5.90
AFAP1-AS1 Qiao et al4 China R Frozen 87 I–IV Median qRT-PCR 60 Univariate 1.88 1.01–3.52
ANRIL Zhang et al9 China R Tissue 120 I–IV 3 qRT-PCR 60 Multivariate 1.74 1.04–2.93
ANRIL Deng et al10 China R Tissue 100 I–IV None qRT-PCR .60 Univariate 1.61 0.95–2.74
CASC15 Yao et al18 China R Tissue 60 I–IV None qRT-PCR 60 Univariate 2.33 1.15–4.72
CASC15 Wu et al19 China R Tissue 88 I–IV Mean qRT-PCR 60 Univariate 1.70 0.84–3.47
CCAT2 Wang et al21 China R Frozen 85 I–IV Mean qRT-PCR 60 Multivariate 2.41 1.19–5.42
CCAT2 Wang et al22 China R Frozen 108 I–IV Median qRT-PCR 66 Multivariate 2.11 1.44–3.20
GAPLINC Hu et al32 China R Tissue 90 I–IV Median RT-qPCR .60 Multivariate 1.48 1.16–1.89
GAPLINC Liu et al33 China R Frozen 33 None 2.03 qRT-PCR 60 Univariate 1.77 0.57–5.52
H19 Li et al36 China R Frozen 74 I–IV Mean qRT-PCR 53 Univariate 2.26 0.58–8.86
H19 Zhang et al37 China R Frozen 80 I–IV Mean qRT-PCR 60 Multivariate 1.14 1.01–1.29
H19 Chen et al38 China R Tissue 128 I–IV 4.615 qRT-PCR 48 Multivariate 1.96 0.97–3.97
H19 Li et al29 TCGA R Tissue 361 I–IV None Downloaded .50 Univariate 1.79 1.26–2.53
HOTAIR Endo et al41 China I R Frozen 36 I–IV 1.0 qRT-PCR .60 Univariate 0.95 0.21–4.31
China II 32 5.12 0.96–27.18
HOTAIR Xu et al42 China R Frozen 83 I–IV None RT-qPCR .72 Multivariate 2.13 1.00–4.50
HOTAIR Okugawa et al43 Japan R Frozen 150 III–IV 0.239 RT-qPCR 60 Multivariate 1.77 1.06–2.95
HOTAIR Liu et al44 China R Both 78 II–IV Median qRT-PCR >40 Multivariate 4.08 2.07–8.04
HOTAIR Zhang et al45 China R Both 50 II–IV Median qRT-PCR >45 Univariate 2.86 1.16–7.03
HOTAIR Zhao et al46 China R Tissue 168 III–IV Median qRT-PCR >60 Multivariate 1.47 1.04–2.06
HOTAIR Chen et al47 China R Frozen 65 I–IV 2.35 qRT-PCR >60 Multivariate 2.00 1.06–3.77
HOTAIR Feng and Huang48 China R Tissue 32 None None qRT-PCR >120 Univariate 1.52 0.45–5.14
HOTAIR Li et al49 China R FFPE 100 I–IV Mean qRT-PCR 90 Univariate 1.83 0.82–4.05
HOTTIP Ye et al50 China R Frozen 98 I–III Median qRT-PCR 60 Univariate 2.06 0.97–4.38
HOTTIP Yang et al51 China R Frozen 94 I–III Median RT-qPCR 54 Univariate 1.03 0.52–2.05
HOTTIP Zhao et al52 GEO R Tissue 348 I–IV None Downloaded >150 Univariate 1.63 1.19–2.23
LINC00673 Ba et al61 China R Frozen 79 I–IV Median qRT-PCR 66 Multivariate 2.56 1.01–4.54
LINC00673 Huang et al62 China R Tissue 73 I–IV 2 qRT-PCR >40 Multivariate 2.38 1.12–5.06
MALAT1 Qi et al72 TCGA R Tissue 118 III–IV None RT-qPCR >50 Univariate 1.98 1.38–2.83
MALAT1 Li et al73 China R Tissue 78 I–IV None qRT-PCR >60 Univariate 2.52 1.35–4.68
MALAT1 Li et al74 China R FFPE 150 I–IV None RT-qPCR >150 Univariate 1.38 1.03–1.85
MALAT1 Okugawa et al43 Japan R Frozen 150 III–IV 0.985 RT-qPCR 60 Univariate 1.54 0.92–2.58
MEG3 Sun et al76 China R Frozen 72 II–IV Median RT-qPCR 48 Univariate 1.93 0.99–3.75
MEG3 Guo et al77 China R Frozen 134 I–IV None qRT-PCR >60 Univariate 2.00 0.88–4.54
PANDAR Ma et al86 China R Tissue 100 I–IV None qRT-PCR 36 Multivariate 3.68 1.13–12.06
PANDAR Liu et al87 China R Tissue 146 I–IV Mean qRT-PCR 84 Multivariate 3.10 2.70–3.54
PVT1 Kong et al89 China R Tissue 80 I–IV Median qRT-PCR 36 Multivariate 2.09 1.07–4.10
PVT1 Yuan et al90 China R Tissue 111 I–IV Median qRT-PCR 48 Multivariate 2.28 1.05–4.93
Sox2ot Zhang et al96 China R Frozen 132 I–IV Median qRT-PCR >84 Multivariate 2.05 1.28–3.30
Sox2ot Zou et al97 China R Tissue 155 None Median qRT-PCR >60 Univariate 3.24 1.24–6.43
SPRY4-IT1 Peng et al98 China R Frozen 175 I–IV Median qRT-PCR 60 Multivariate 0.82 0.31–1.57
SPRY4-IT1 Xie et al99 China R Frozen 61 I–IV Median qRT-PCR 36 Univariate 2.49 1.08–5.75
UCA1 Zheng et al101 China R Frozen 112 I–IV Median RT-qPCR 60 Multivariate 2.35 1.22–4.52
UCA1 Nasrollahzadeh-Khakiani et al102 TCGA R Tissue 188 I–IV Median Downloaded >116 Univariate 1.11 0.72–1.73
UCA1 Zuo et al103 China R Frozen 37 I–IV Median qRT-PCR 36 Multivariate 2.92 1.07–7.96
UCA1 Gu et al104 China R Frozen 62 I–IV None qRT-PCR 60 Univariate 1.80 0.95–3.38
XIST Chen et al107 China R Frozen 106 I–IV Median qRT-PCR >90 Multivariate 1.72 1.32–2.26
XIST Ma et al108 China R FFPE 98 I–IV None qRT-PCR 54 Univariate 2.49 1.40–4.42
ZEB1-AS1 Li et al109 China R Tissue 124 I–IV Median qRT-PCR 72 Multivariate 2.36 1.41–3.96
ZEB1-AS1 Zhang et al110 China R Frozen 76 I–IV Median qRT-PCR 90 Univariate 2.72 1.27–5.84
KM R Tissue 631 I–IV None Downloaded >150 Univariate 1.95 1.52–2.49
ZFAS1 Zhang et al111 China R Frozen 104 I–IV Median qRT-PCR 60 Multivariate 2.57 1.25–6.84
ZFAS1 Nie et al112 China R Tissue 54 I–IV Median qRT-PCR 36 Univariate 2.43 0.96–6.17

Abbreviations: AFAP1-AS1, AFAP1 antisense RNA 1; ANRIL, CDKN2B antisense RNA 1; Both, frozen and formalin-fixed paraffin-embedded tissues; CASC15, cancer susceptibility 15; CCAT2, colon cancer associated transcript 2; FFPE, formalin-fixed paraffin-embedded; GAPLINC, gastric adenocarcinoma associated, positive CD44 regulator, long intergenic noncoding RNA; GEO, Gene Expression Omnibus; H19, H19, imprinted maternally expressed transcript; HOTAIR, HOX transcript antisense RNA; HOTTIP, HOXA distal transcript antisense RNA; HR (H/L), hazard ratios of high expression versus low expression of lncRNAs; HR (L/H), hazard ratios of low expression versus high expression of lncRNAs; KM, Kaplan–Meier plotter; LINC00673, long intergenic non-protein coding RNA 673; lncRNA, long noncoding RNA; MALAT1, metastasis-associated lung adenocarcinoma transcript 1; MEG3, maternally expressed 3; OS, overall survival; PANDAR, promoter of CDKN1A antisense DNA damage activated RNA; PVT1, Pvt1 oncogene; qRT-PCR, quantitative real-time polymerase chain reaction; R, retrospective; RT-qPCR, reverse transcription quantitative real-time polymerase chain reaction; Sox2ot, SOX2 overlapping transcript; SPRY4-IT1, SPRY4 intronic transcript 1; TCGA, The Cancer Genome Atlas; UCA1, urothelial cancer associated 1; XIST, X inactive specific transcript; ZEB1-AS1, ZEB1 antisense RNA 1; ZFAS1, ZNFX1 antisense RNA 1.