Table 2.

Levels of aMMP-8 in GCF samples from 358 index tooth sites from 60 participants (ng/ml)

Group	Sites	Mean	95% CI	Min	Max	Med
1	180	4.88	−3.78, 13.54	1.34	44.54	4.08
2	178	24.84	−14.11, 63.79	5.34	121.43	18.54
Total	358	13.44	−19.19, 46.07	1.34	121.43	6.32

Group 1 and 2, Independent samples T test, p < 0.001