Background
Methods
Literature search and inclusion criteria
Data extraction and quality assessment
Statistical analyses
Results
Characteristics of included studies
First author, year | Country | Ethnicity | Type of disease | Medical history of patients | Sample size Case/control | Genotype distribution (wtwt/wtmt/mtmt) | P value for HWE | NOS score | |
---|---|---|---|---|---|---|---|---|---|
Cases controls | |||||||||
VDR rs7975232 | |||||||||
Barooah 2019 [11] | India | South Asian | HCC | NA | 60/102 | 49/11/0 | 59/35/8 | 0.391 | 8 |
Falleti 2010 [12] | Italy | Caucasian | HCC | Viral hepatitis 87% | 80/160 | 27/38/15 | 53/85/22 | 0.189 | 8 |
Hung 2014 [13] | Taiwan | East Asian | HCC | NA | 92/100 | 65/24/3 | 55/40/5 | 0.505 | 8 |
Yao 2013 [16] | China | East Asian | HCC | HBV 100%, alcohol intake 34.9% | 436/532 | 112/216/108 | 114/275/143 | 0.395 | 8 |
VDR rs1544410 | |||||||||
Barooah 2019 [11] | India | South Asian | HCC | NA | 60/102 | 52/8/0 | 80/16/6 | < 0.001 | 8 |
Falleti 2010 [12] | Italy | Caucasian | HCC | Viral hepatitis 87% | 80/160 | 33/35/12 | 45/87/28 | 0.206 | 8 |
Hung 2014 [13] | Taiwan | East Asian | HCC | NA | 92/100 | 85/7/0 | 89/11/0 | 0.560 | 8 |
Yao 2013 [16] | China | East Asian | HCC | HBV 100%, alcohol intake 34.9% | 436/532 | 112/217/107 | 142/259/131 | 0.550 | 8 |
VDR rs2228570 | |||||||||
Falleti 2010 [12] | Italy | Caucasian | HCC | Viral hepatitis 87% | 80/160 | 36/36/8 | 69/73/18 | 0.843 | 8 |
Liu 2015 [14] | China | East Asian | HCC | NA | 105/100 | 41/44/20 | 23/48/29 | 0.715 | 8 |
Peng 2014 [15] | China | East Asian | HCC | HBV 100%, alcohol intake 90.2% | 184/296 | 54/90/40 | 77/152/67 | 0.628 | 8 |
Yao 2013 [16] | China | East Asian | HCC | HBV 100%, alcohol intake 34.9% | 436/532 | 131/198/107 | 102/241/189 | 0.111 | 8 |
VDR rs731236 | |||||||||
Barooah 2019 [11] | India | South Asian | HCC | NA | 60/102 | 48/8/4 | 71/21/10 | <0.001 | 8 |
Falleti 2010 [12] | Italy | Caucasian | HCC | Viral hepatitis 87% | 80/160 | 32/38/10 | 44/88/28 | 0.160 | 8 |
Hung 2014 [13] | Taiwan | East Asian | HCC | NA | 92/100 | 86/6/0 | 86/14/0 | 0.452 | 8 |
Yao 2013 [16] | China | East Asian | HCC | HBV 100%, alcohol intake 34.9% | 436/532 | 115/212/109 | 137/252/143 | 0.226 | 8 |
VEGF rs699947 | |||||||||
Liu 2017 [19] | China | East Asian | HCC | HBV 60.2%, alcohol intake 60.8% | 476/526 | 301/157/18 | 290/202/34 | 0.882 | 8 |
Machado 2014 [20] | Portugal | Caucasian | HCC | Alcohol intake 100% | 26/101 | 7/14/5 | 19/49/33 | 0.914 | 7 |
Ratnasari 2017 [22] | Indonesia | East Asian | HCC | HBV58%, HCV 11% | 44/59 | 18/21/5 | 23/30/6 | 0.402 | 7 |
Wu 2009 [23] | China | East Asian | HCC | NA | 92/90 | 48/40/4 | 58/28/4 | 0.792 | 8 |
Wu 2013 [24] | China | East Asian | HCC | HBV48.5% | 101/110 | 79/21/1 | 91/17/2 | 0.271 | 8 |
VEGF rs1570360 | |||||||||
Baitello 2016 [17] | Canada | Mixed | HCC | HBV 50%, HCV 21%, alcohol intake 56% | 102/127 | 61/35/6 | 73/47/7 | 0.875 | 8 |
Wu 2009 [23] | China | East Asian | HCC | NA | 90/99 | 66/24/0 | 72/27/0 | 0.116 | 8 |
Wu 2013 [24] | China | East Asian | HCC | HBV48.5% | 101/110 | 83/17/1 | 75/31/4 | 0.723 | 8 |
VEGF rs2010963 | |||||||||
Liu 2017 [19] | China | East Asian | HCC | HBV 60.2%, alcohol intake 60.8% | 476/526 | 162/232/82 | 200/248/78 | 0.937 | 8 |
Ratnasari 2016 [21] | Indonesia | East Asian | HCC | HBV56.5%, HCV 10.8% | 46/136 | 16/29/1 | 26/105/5 | <0.001 | 7 |
Wu 2009 [23] | China | East Asian | HCC | NA | 92/99 | 34/40/18 | 34/52/13 | 0.320 | 8 |
Wu 2013 [24] | China | East Asian | HCC | HBV48.5% | 101/110 | 28/52/21 | 35/51/24 | 0.506 | 8 |
VEGF rs3025039 | |||||||||
Baitello 2016 [17] | Canada | Mixed | HCC | HBV 50%, HCV 21%, alcohol intake 56% | 102/127 | 72/30/0 | 90/37/0 | 0.055 | 8 |
Giacalone 2011 [18] | Italy | Caucasian | HCC | NA | 96/162 | 81/14/1 | 120/38/4 | 0.636 | 8 |
Liu 2017 [19] | China | East Asian | HCC | HBV 60.2%, alcohol intake 60.8% | 476/526 | 359/112/5 | 370/140/16 | 0.536 | 8 |
Wu 2009 [23] | China | East Asian | HCC | NA | 92/99 | 63/26/3 | 68/30/1 | 0.239 | 8 |
Yvamoto 2015 [25] | Brazil | Mixed | HCC | Alcohol intake 47.1% | 228/56 | 164/64/0 | 43/13/0 | 0.326 | 7 |
IL-18 rs187238 | |||||||||
Bakr 2018 [26] | Egypt | South Asian | HCC | HCV 100% | 90/90 | 66/22/2 | 33/65/1 | <0.001 | 8 |
Bao 2015 [27] | China | East Asian | HCC | HBV 100% | 153/165 | 122/28/3 | 106/54/5 | 0.548 | 8 |
Chen 2012 [28] | China | East Asian | HCC | NA | 228/300 | 159/59/10 | 173/115/12 | 0.183 | 7 |
Dai 2017 [29] | China | East Asian | HCC | HBV 100%, alcohol intake 42% | 245/250 | 187/49/9 | 183/65/2 | 0.142 | 8 |
Karra 2015 [30] | India | South Asian | HCC | HBV 100% | 271/280 | 123/134/14 | 159/108/13 | 0.320 | 7 |
Kim 2009 [31] | Korea | East Asian | HCC | HBV 100% | 56/558 | 37/17/2 | 434/122/2 | 0.031 | 7 |
Lau 2016 [32] | Taiwan | East Asian | HCC | Alcohol intake 63.5% | 342/559 | 266/73/3 | 476/78/5 | 0.370 | 8 |
Migita 2009 [33] | Japan | East Asian | HCC | HBV 100% | 47/63 | 43/3/1 | 52/10/1 | 0.531 | 7 |
Teixeira 2009 [34] | Brazil | Mixed | HCC | Viral hepatitis 67.8%, alcohol intake 63.4% | 112/202 | 57/48/7 | 100/84/18 | 0.952 | 7 |
Zhang 2016 [35] | China | East Asian | HCC | HBV 100% | 109/127 | 82/25/2 | 99/24/4 | 0.110 | 8 |
IL18 rs1946518 | |||||||||
Bakr 2018 [26] | Egypt | South Asian | HCC | HCV 100% | 90/99 | 13/34/43 | 17/45/37 | 0.603 | 8 |
Bao 2015 [27] | China | East Asian | HCC | HBV 100% | 153/165 | 37/73/43 | 41/76/48 | 0.322 | 8 |
Chen 2012 [28] | China | East Asian | HCC | NA | 228/300 | 47/126/55 | 83/156/61 | 0.429 | 7 |
Dai 2017 [29] | China | East Asian | HCC | HBV 100%, alcohol intake 42% | 247/250 | 62/118/67 | 64/124/62 | 0.900 | 8 |
Karra 2015 [30] | India | South Asian | HCC | HBV 100% | 271/280 | 70/152/49 | 102/144/34 | 0.119 | 7 |
Lau 2016 [32] | Taiwan | East Asian | HCC | Alcohol intake 63.5% | 342/559 | 88/167/87 | 148/276/135 | 0.777 | 8 |
Migita 2009 [33] | Japan | East Asian | HCC | HBV 100% | 47/63 | 13/26/8 | 20/30/13 | 0.777 | 7 |
Teixeira 2009 [34] | Brazil | Mixed | HCC | Viral hepatitis 67.8%, alcohol intake 63.4% | 112/202 | 38/56/18 | 85/105/12 | 0.202 | 7 |
Zhang 2016 [35] | China | East Asian | HCC | HBV 100% | 109/127 | 22/55/32 | 38/66/23 | 0.127 | 8 |
MBL rs7096206 | |||||||||
Eurich 2011 [36] | Germany | Caucasian | HCC | NA | 62/115 | 27/34/1 | 76/37/2 | 0.292 | 7 |
Gu 2016 [37] | China | East Asian | HCC | NA | 334/171 | 232/95/7 | 131/33/7 | 0.015 | 8 |
Lin 2015 [38] | China | East Asian | HCC | Alcohol intake 77.7% | 220/220 | 125/86/9 | 153/65/2 | 0.082 | 8 |
Su 2016 [40] | China | East Asian | HCC | HBV 70.2% | 315/315 | 207/91/17 | 239/72/4 | 0.583 | 8 |
MBL rs1800450 | NA | ||||||||
Gu 2016 [37] | China | East Asian | HCC | NA | 334/171 | 234/89/11 | 104/59/8 | 0.920 | 8 |
Segat 2008 [39] | Italy | Caucasian | HCC | NA | 215/164 | 127/78/10 | 102/49/13 | 0.050 | 7 |
Su 2016 [40] | China | East Asian | HCC | HBV 70.2% | 308/315 | 208/88/20 | 239/69/7 | 0.450 | 8 |
Meta-analyses results for polymorphisms in VDR and HCC
Variables | Sample size | Dominant comparison | Recessive comparison | Over-dominant comparison | Allele comparison | ||||
---|---|---|---|---|---|---|---|---|---|
P value OR (95%CI) I2 statistic | P value | OR (95%CI) I2 statistic | P value OR (95% CI) I2 statistic | P value | OR (95%CI) I2 statistic | ||||
VDR rs7975232 | |||||||||
Overall | 668/894 | 0.03 60% | 1.58 (1.04–2.39) | 0.42 31% | 0.90 (0.69–1.17) | 0.03 44% | 0.80 (0.65–0.98) | 0.09 76% | 1.41 (0.94–2.12) |
East Asian | 528/632 | 0.02 40% | 1.39 (1.06–1.81) | 0.40 0% | 0.88 (0.67–1.17) | 0.28 62% | 0.75 (0.45–1.26) | 0.17 55% | 1.30 (0.89–1.89) |
VDR rs1544410 | |||||||||
Overall | 668/894 | 0.26 44% | 1.15 (0.90–1.45) | 0.62 8% | 0.93 (0.71–1.22) | 0.54 0% | 0.93 (0.75–1.16) | 0.30 50% | 1.09 (0.93–1.27) |
East Asian | 528/632 | 0.98 0% | 1.00 (0.74–1.34) | 0.91 0% | 0.98 (0.75–1.30) | 0.90 0% | 1.02 (0.79–1.30) | 0.96 0% | 1.00 (0.83–1.19) |
VDR rs2228570 | |||||||||
Overall | 805/1088 | < 0.0001 46% | 1.54 (1.25–1.89) | 0.0004 19% | 0.67 (0.54–0.84) | 0.58 0% | 0.95 (0.79–1.14) | 0.01 59% | 1.34 (1.06–1.68) |
East Asian | 725/928 | < 0.0001 45% | 1.63 (1.31–2.04) | 0.0003 40% | 0.66 (0.53–0.83) | 0.58 0% | 0.95 (0.78–1.15) | 0.01 65% | 1.40 (1.08–1.82) |
VDR rs731236 | |||||||||
Overall | 668/894 | 0.06 43% | 1.25 (0.99–1.58) | 0.26 0% | 0.86 (0.66–1.12) | 0.42 38% | 0.92 (0.74–1.14) | 0.06 42% | 1.16 (0.99–1.36) |
East Asian | 528/632 | 0.44 57% | 1.34 (0.64–2.82) | 0.51 0% | 0.91 (0.68–1.21) | 0.54 66% | 0.77 (0.33–1.78) | 0.39 55% | 1.08 (0.91–1.29) |
VEGF rs699947 | |||||||||
Overall | 739/886 | 0.92 54% | 1.02 (0.69–1.52) | 0.04 0% | 0.63 (0.41–0.98) | 0.61 45% | 0.95 (0.77–1.17) | 0.61 51% | 1.08 (0.80–1.46) |
East Asian | 713/785 | 0.84 64% | 1.05 (0.66–1.66) | 0.10 0% | 0.67 (0.41–1.08) | 0.70 56% | 1.08 (0.72–1.65) | 0.99 59% | 1.00 (0.70–1.42) |
VEGF rs1570360 | |||||||||
Overall | 293/336 | 0.12 37% | 1.31 (0.93–1.85) | 0.57 19% | 0.75 (0.29–1.98) | 0.17 7% | 0.78 (0.55–1.11) | 0.13 49% | 1.26 (0.94–1.70) |
East Asian | 191/209 | 0.28 60% | 1.49 (0.72–3.06) | 0.24 0% | 0.27 (0.03–2.41) | 0.15 44% | 0.71 (0.45–1.13) | 0.28 64% | 1.46 (0.73–2.91) |
VEGF rs2010963 | |||||||||
Overall | 715/871 | 0.79 55% | 1.05 (0.72–1.54) | 0.26 0% | 1.17 (0.89–1.55) | 0.80 48% | 0.97 (0.80–1.19) | 0.32 13% | 0.93 (0.81–1.07) |
East Asian | 715/871 | 0.79 55% | 1.05 (0.72–1.54) | 0.26 0% | 1.17 (0.89–1.55) | 0.80 48% | 0.97 (0.80–1.19) | 0.32 13% | 0.93 (0.81–1.07) |
VEGF rs3025039 | |||||||||
Overall | 994/970 | 0.08 12% | 1.20 (0.98–1.48) | 0.08 38% | 0.50 (0.23–1.09) | 0.21 0% | 0.87 (0.71–1.08) | 0.05 28% | 1.21 (1.00–1.46) |
East Asian | 568/625 | 0.10 0% | 1.24 (0.96–1.59) | 0.87 69% | 0.83 (0.09–7.41) | 0.25 0% | 0.86 (0.66–1.11) | 0.06 34% | 1.24 (0.99–1.56) |
IL-18 rs187238 | |||||||||
Overall | 1653/2594 | 0.38 85% | 1.19 (0.81–1.77) | 0.50 16% | 1.14 (0.78–1.66) | 0.26 88% | 0.77 (0.49–1.21) | 0.56 78% | 1.09 (0.82–1.43) |
East Asian | 1180/2022 | 0.62 81% | 1.11 (0.73–1.70) | 0.27 33% | 1.33 (0.80–2.22) | 0.49 81% | 0.86 (0.55–1.34) | 0.76 78% | 1.06 (0.74–1.50) |
South Asian | 361/370 | 0.60 97% | 1.70 (0.24–12.29) | 0.65 0% | 1.19 (0.57–2.47) | 0.53 98% | 0.45 (0.04–5.35) | 0.69 92% | 1.25 (0.42–3.66) |
HBV | 881/1443 | 0.90 78% | 1.03 (0.65–1.63) | 0.23 43% | 1.38 (0.81–2.33) | 0.73 78% | 0.92 (0.57–1.48) | 0.96 74% | 1.01 (0.70–1.46) |
IL18 rs1946518 | |||||||||
Overall | 1599/2045 | 0.002 0% | 0.79 (0.68–0.92) | 0.004 30% | 1.26 (1.08–1.48) | 0.75 0% | 1.02 (0.90–1.17) | 0.002 59% | 0.78 (0.67–0.91) |
East Asian | 1126/1464 | 0.09 0% | 0.86 (0.71–1.02) | 0.15 0% | 1.14 (0.95–1.37) | 0.79 0% | 1.02 (0.87–1.19) | 0.04 68% | 0.80 (0.65–0.99) |
South Asian | 589/679 | 0.001 0% | 0.66 (0.51–0.85) | 0.02 0% | 1.57 (1.09–2.27) | 0.98 54% | 0.99 (0.61–1.61) | 0.002 0% | 0.72 (0.59–0.89) |
HBV | 827/885 | 0.01 9% | 0.77 (0.62–0.95 | 0.06 21% | 1.25 (0.99–1.57) | 0.52 0% | 1.06 (0.88–1.29) | 0.03 73% | 0.73 (0.55–0.96) |
MBL rs7096206 | |||||||||
Overall | 931/821 | < 0.0001 0.59 (0.48–0.73) 0% | 0.37 70% | 1.81 (0.50–6.59) | < 0.0001 0% | 1.59 (1.28–1.97) | < 0.0001 0% | 0.63 (0.53–0.76) | |
East Asian | 869/706 | < 0.0001 0% | 0.62 (0.50–0.78) | 0.35 79% | 2.08 (0.44–9.80) | 0.0005 0% | 1.50 (1.19–1.88) | < 0.0001 4% | 0.65 (0.53–0.79) |
MBL rs1800450 | |||||||||
Overall | 857/650 | 0.85 79% | 0.95 (0.58–1.55) | 0.91 77% | 1.06 (0.37–3.06) | 0.70 75% | 1.10 (0.69–1.74) | 0.95 80% | 0.99 (0.65–1.50) |
East Asian | 642/486 | 0.99 90% | 0.99 (0.44–2.23) | 0.61 81% | 1.47 (0.34–6.30) | 0.99 86% | 1.00 (0.49–2.03) | 0.95 90% | 0.98 (0.48–1.99) |