Table 2

Distribution of MMP-1 genotypes and risk estimates

MMP-1 genotypeCases (n = 456) n (%)Controls (n = 451) n (%)PCrude OR [95% CI]Adjusteda OR [95% CI]
1G/1G b 94 (20.62)111 (24.61) Embedded Image ReferenceReference
1G/2G 152 (33.33)196 (43.46)
2G/2G 210 (46.05)144 (31.93)<0.0011.82 [1.38–2.39]1.76 [1.29–2.39]
  • a Adjusted by age, gender, and smoking status.

  • b Genotypes 1G/1G and 1G/2G were combined in the stratified analysis.