Retention of PFS (%) | P | |||
---|---|---|---|---|
Full retention | Partial retention | Total loss | ||
12 months (in 2017) | 2693 (81.6) | 443 (13.4) | 163 (4.9) | |
Area | ||||
Urban | 1788 (81.2) | 305 (13.9) | 108 (4.9 | 0.59 |
Rural | 905 (82.4) | 138 (12.6) | 55 (5.0) | |
Sex | ||||
Boy | 1464 (82.1) | 240 (13.5) | 80 (4.5) | 0.42 |
Girl | 1229 (81.1) | 203 (13.4) | 83 (5.5) | |
Tooth arch | ||||
Upper | 1427 (83.0) | 208 (12.1) | 85 (4.9) | 0.06 |
Lower | 1266 (80.2) | 235 (14.9) | 78 (4.9) | |
Tooth surface | ||||
Occlusal surface | 2905 (88.1) | 223 (6.8) | 171 (5.2) | 0.00 |
Buccal/Palatal surface | 1172 (80.4) | 66 (4.5) | 220 (15.1) | |
24 months (in 2018) | 2478 (75.1) | 468 (14.2) | 353 (10.7) | |
Area | ||||
Urban | 1614 (73.3) | 319 (14.5) | 268 (12.2) | 0.00 |
Rural | 864 (78.7) | 149 (13.6) | 85 (7.7) | |
Sex | ||||
Boy | 1345 (75.4) | 268 (15.0) | 171 (9.6) | 0.04 |
Girl | 1133 (74.8) | 200 (13.2) | 182 (12.0) | |
Tooth arch | ||||
Upper | 1310 (76.2) | 238 (13.8) | 172 (10.0) | 0.29 |
Lower | 1168 (74.0) | 230 (14.6) | 181 (11.5) | |
Tooth surface | ||||
Occlusal surface | 2692 (81.6) | 260 (7.9) | 347 10.5) | 0.00 |
Buccal/Palatal surface | 1064 (73.0) | 85 (5.8) | 309 (31.2) |