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Table 3 Log-transformed mean bacterial anaerobic counts (SD) for the control and test group before (T0) and 3 months after (T3) the surgical treatment (paperpoint samples)

From: Implant decontamination with phosphoric acid during surgical peri-implantitis treatment: a RCT

N = 47a Total anaerobic bacterial load
Log-transformed mean (SD)
  T0 T3 Difference β (95% CI)b p value
Control 6.69 (1.32) 6.31 (1.30) 0.38 (1.36) −0.26 (−0.84–0.33) 0.377
Test 6.53 (1.06) 5.98 (0.94) 0.55 (0.99)  
  1. SD standard deviation
  2. aThree samples without bacterial growth and three samples without follow-up excluded from analysis
  3. bLinear regression analysis, adjusted for baseline values