From: A meta-analysis of MMP-9 promoter −1562 C/T polymorphism on susceptibility of chronic periodontitis
MMP-9 (−1562 C/T) | Studies (cases/controls) | T versus C OR (95 % CI), P Ph, I 2 (%) | TT versus CC OR (95 % CI), P Ph, I 2 (%) | CT versus CC OR (95 % CI), P Ph, I 2 (%) | Dominant genetic model OR (95 % CI), P Ph, I 2 (%) | Recessive genetic model OR (95 % CI), P Ph, I 2(%) |
---|---|---|---|---|---|---|
Total | 7 (859/1186) | 0.49 (0.31–0.77), 0.002 0.001, 85.8 | 0.16 (0.12–0.22), 0.001 0.564, 0.0 | 0.53 (0.33–0.85), 0.008 0.001, 73.4 | 0.46 (0.26–0.82), 0.009 0.001, 85.8 | 0.27 (0.20–0.35), 0.001 0.897, 0.0 |
Ethnicity | ||||||
Caucasian | 3 (326/312) | 0.61 (0.39–0.97), 0.037 0.101, 56.3 | 0.35 (0.13–0.97), 0.044 0.452, 0.0 | 0.66 (0.47–0.92), 0.016 0.227, 32.5 | 0.62 (0.45–0.87), 0.005 0.139, 49.3 | 0.40 (0.14–1.10), 0.076 0.535, 0.0 |
Asian | 2 (402/782) | 0.26 (0.21–0.31), 0.001 0.902, 0.0 | 0.14 (0.10–0.20), 0.001 0.926, 0.0 | 0.27 (0.19–0.39), 0.001 0.522, 0.0 | 0.19 (0.14–0.26), 0.001 0.756, 0.0 | 0.26 (0.20–0.35), 0.001 0.782, 0.0 |
Mixed | 2 (131/92) | 0.89 (0.49–1.59), 0.684 0.596, 0.0 | 0.23 (0.02–2.25), 0.206 0.883, 0.0 | 1.09 (0.56–2.11), 0.808 0.453, 0.0 | 0.98 (0.51–1.88), 0.953 0.512, 0.0 | 0.23 (0.02–2.22), 0.202 0.915, 0.0 |
Severity of chronic periodontitis | ||||||
Severe | 6 (687/1132) | 0.46 (0.28–0.75), 0.002 0.001, 87.6 | 0.16 (0.12–0.22), 0.001 0.260. 23.2 | 0.48 (0.29–0.81), 0.006 0.001, 75.9 | 0.41 (0.21–0.78), 0.006 0.001, 87.2 | 0.27 (0.21–0.36), 0.001 0.680, 0.0 |
Moderate | 2 (103/173) | 0.65 (0.40–1.07), 0.090 0.358, 0.0 | 0.34 (0.06–2.08), 0.245 0.831, 0.0 | 0.70 (0.39–1.24), 0.218 0.319, 0.0 | 0.65 (0.37–1.14), 0.132 0.323, 0.0 | 0.37 (0.06–2.26), 0.284 0.891, 0.0 |