From: Correlation between periodontitis and prostate-specific antigen levels in the elderly Chinese male population
None
(n = 162)
Mild-moderate
(n = 479)
Severe
(n = 355)
P
In(PSA) coefficient (95% CI)
 Model 1a
Reference
0.15 (0.01,0.30)
0.17 (0.02,0.32)
0.05*
 Model 2b
0.06