Review Article

Association of Three Polymorphisms rs11614913, rs2910146, and rs3746444 in miRNA-196a2, miRNA-146a, and miRNA-499 with Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis

Table 2

Polled ORs of SNPs and IBD.

nOR (95% CI) PPHOR (95% CI) PPHOR (95% CI) PPHOR (95% CI) PPHOR (95% CI) PPH

miR196a2 C>TT/C
Allelic model
TT/CC
Homozygote model
TC/CC
Heterozygote model
TT + TC/CC
Dominant model
TT/TC + CC
Recessive model
Ethnicity
Overall0.98 (0.85–1.13)
0.0190.92 (0.76–1.11)
0.181.03 (0.74–1.43)
<0.0011.04 (0.79–1.36)
<0.0010.97 (0.83–1.14)
0.12
Caucasian0.99 (0.78–1.25)
0.0050.88 (0.60–1.27)
0.0991.10 (0.66–1.83)
<0.0011.10 (0.72–1.66)
<0.0010.88 (0.59–1.30)
0.049
Asian0.97 (0.90–1.07)
0.40.96 (0.73–1.25)
0.320.91 (0.71–1.16)
0.580.92 (0.74–1.16)
0.401.03 (0.83–1.14)
0.50
Diseases
UC50.94 (0.76–1.17)
0.0070.79 (0.62–1.00)
0.231.07 (0.62–1.84)
<0.0011 (0.64–1.53)
<0.0010.87 (0.71–1.06)
0.11
CD31.06 (0.92–1.22)
0.651.16 (0.86–1.56)
0.650.97 (0.77–1.22)
0.951.14 (0.92–1.41)
0.251.16 (0.9–1.48)
0.57
miRNA146a G>CC/G
Allelic model
CC/GG
Homozygote model
CG/GG
Heterozygote model
CC + CG/GG
Dominant model
CC/CG + GG
Recessive model
Ethnicity
Overall1.34 (1.10–1.62)
0.0011.56 (1.10–2.22)
0.0371.50 (1.17–1.93)
0.0811.54 (1.17–2.02)
0.0221.19 (0.95–1.49)
0.062
Caucasian1.39 (0.94–2.04)
<0.0011.45 (0.68–3.08)
0.0091.50 (1.00–2.24)
0.0511.46 (0.90–2.34)
0.0081.18 (0.72–1.92)
0.019
Asian1.29 (1.12–1.48)
0.791.69 (1.27–2.24) 0.521.49 (1.31–1.87)
0.1981.61 (1.24–2.08)
0.251.27 (1.04–1.54)
0.886
Diseases
UC41.32 (1.15–1.50) 0.641.43 (1.06–1.93)
0.391.32 (1.04–1.67)
0.421.38 (1.10–1.73)
0.341.20 (0.99–1.47)
0.65
CD31.37 (0.85–2.22)
01.94 (0.89–4.24)
0.0091.94 (1.49–2.52) 0.151.79 (1.10–2.02)
0.0341.33 (0.76–2.33)
0.006
miRNA499 A>GG/AGG/AAGA/AAGG + GA/AAGG/GA + AA
Ethnicity
Overall1.08 (0.96–1.22)
0.751.43 (1.06–1.93)
0.270.86 (0.56–1.33)
<0.0010.97 (0.78–1.20)
0.061.28 (0.64–2.53)
0.001
Caucasian1.08 (0.92–1.28)
0.381.72 (1.19–1.49)
0.240.62 (0.29–1.35)
<0.0010.81 (0.66–1.00)
0.171.74 (0.68–4.49)
0.016
Asian1.09 (0.91–1.30)
0.700.94 (0.54–1.64)
0.831.17 (0.94–1.46)
0.281.14 (0.93–1.42)
0.420.88 (0.51–1.51)
0.73
Diseases
UC41.11 (0.96–1.29)
0.531.47 (1.04–2.06)
0.10.82 (0.41–1.63)
<0.0010.97 (0.69–1.36)
0.021.19 (0.43–3.30)
0
CD21.02 (0.81–1.28)
0.91.29 (0.67–2.5)
0.980.94 (0.71–1.24)
0.910.98 (0.75–1.27)
0.991.33 (0.69–2.54)
0.99

P: value with significance. : significant statistical difference among different data. PH: value with heterogeneity. PH < 0.1: significant statistical heterogeneity among various data. The random effects model should be applied; otherwise, instead, the fixed effects model should be used.