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Table 1 Descriptive statistics on defect depth, defect depth ratio, defect width and P-values between Healthy Implant and Peri-Implantitis implant groups

From: Clinical and microbiologic investigation of an expedited peri-implantitis dog model: an animal study

Week Stats Healthy Implant (n = 7) Peri-Implantitis Implant (n = 42) P-values
Defect Depth (mm) Defect Width (mm) Defect Depth % Defect Depth (mm) Defect Width (mm) Defect Depth % Defect Depth (mm) Defect Width (mm) Defect Depth %
W10 n 7 7 7 40 37 40    
Median 0 0 0 2.80 0.63 32.91    
Mean (SD) 0 0 0 2.77 (0.53) 0.62 (0.09) 32.59 (6.25)    
(Min, Max) (0, 0) (0, 0) (0, 0) (1.73, 3.81) (0.42, 0.84) (20.29, 44.82)    
Estimate (SE) 0 (0) 0 (0) 0 (0) 2.78 (0.17) 0.62 (0.02) 32.73 (1.97) < 0.001 < 0.001 < 0.001
W16 n 4 3 4 42 40 42    
Median 0.81 0.52 9.49 2.98 2.73 35.01    
Mean (SD) 0.80 (0.22) 0.90 (0.72) 9.46 (2.61) 3.03 (0.68) 2.65 (1.07) 36.62 (8.04)    
(Min, Max) (0.54, 1.06) (0.45, 1.73) (6.38, 12.47) (1.01, 4.87) (1.09, 6.38) (11.82, 57.24)    
Estimate (SE) 0.85 (0.33) 0.72 (0.62) 9.98 (3.91) 3.03 (0.14) 2.65 (0.21) 35.62 (1.60) < 0.001 0.004 < 0.001
W19 n 3 2 3 42 35 42    
Median 1.51 0.73 17.76 4.35 3.57 51.13    
Mean (SD) 1.40 (0.46) 0.73 (0.18) 16.42 (5.41) 4.27 (0.61) 3.51 (0.54) 50.26 (7.19)    
(Min, Max) (0.89, 1.79) (0.61, 0.86) (10.47, 21.03) (2.84, 5.86) (2.38, 4.71) (33.44, 68.97)    
Estimate (SE) 1.47 (0.34) 0.48 (0.32) 17.34 (3.96) 4.27 (0.14) 3.52 (0.17) 50.26 (1.69) < 0.001 < 0.001 < 0.001