Table 2.
Case 1 | Case 2 | Case 3 | Case 4 | |||||
---|---|---|---|---|---|---|---|---|
30 years (n=185) | 12 years (n=185) | 30 years (n=185) | 12 years (n=186) | 30 years (n=184) | 12 years (n=185) | 30 years (n=183) | 12 years (n=183) | |
No treatment | 103 (56%) | 73 (39%) | 41 (22%) | 28 (15%) | 14 (8%) | 12 (6%) | 1 (1%) | 0 (0%) |
Preventive only | 57 (31%) | 96 (52%) | 56 (30%) | 95 (51%) | 30 (16%) | 52 (28%) | 3 (2%) | 6 (3%) |
Minimally-invasive | 18 (10%) | 12 (6%) | 57 (31%) | 47 (25%) | 66 (36%) | 77 (42%) | 24 (13%) | 37 (20%) |
Restorative | 7 (4%) | 4 (2%) | 31 (17%) | 16 (9%) | 74 (40%) | 44 (24%) | 155 (85%) | 140 (77%) |
Non-surgical treatment* | 160 (86%) | 169 (91%) | 97 (52%) | 123 (66%) | 44 (24%) | 64 (35%) | 4 (2%) | 6 (3%) |
Surgical Treatment** | 25 (14%) | 16 (9%) | 88 (48%) | 63 (34%) | 140 (76%) | 121 (65%) | 179 (98%) | 177 (97%) |
p-value † | 0.19 | P<0.01 | P<0.05 | 0.75 |
Non-surgical treatment: No treatment and Preventive only
Surgical treatment: Minimally-invasive and Restorative
Chi-square test