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Table 1 Descriptive statistics of the control and the test groups

From: The influence of laser-microgrooved implant and abutment surfaces on mean crestal bone levels and peri-implant soft tissue healing: a 3-year longitudinal randomized controlled clinical trial

No. Control group Test group P value
Age (years) Sex M/F Tooth number Age (years) Sex M/F Tooth number
1 23 M 35 36 F 16  
2 45 F 46 43 F 47
3 42 M 46 32 F 26
4 32 F 46 32 M 47
5 32 F 24 24 M 37
6 40 F 46 47 M 36
7 35 F 36 35 F 46
8 38 M 36 38 M 46
9 33 M 46 38 M 36
10 36 M 36 41 F 36
Mean 35 ± 5.8    36 ± 6.1    0.71
  1. Age distribution of the patients reveals no significant differences as evident from P value (0.71)