Table 2 Distributions between KL grades and implants in different data sets
Train | Test | |||||||
|---|---|---|---|---|---|---|---|---|
Yes | No | Yes | No | |||||
n | (%) | n | (%) | n | (%) | n | (%) | |
Kellgren-Lawrence | ||||||||
0 | 2848 | (50) | 2852 | (50) | 67 | (22) | 233 | (78) |
1 | 1218 | (21) | 4482 | (79) | 23 | (8) | 277 | (92) |
2 | 652 | (11) | 5048 | (89) | 24 | (8) | 276 | (92) |
3 | 597 | (10) | 5103 | (90) | 116 | (39) | 184 | (61) |
4 | 380 | (7) | 5320 | (93) | 70 | (23) | 230 | (77) |
Location | ||||||||
Medial | 487 | (9) | 5213 | (91) | 120 | (40) | 180 | (60) |
Lateral | 175 | (3) | 5525 | (97) | 34 | (11) | 266 | (89) |
Patella | 36 | (1) | 2486 | (44) | 3 | (1) | 297 | (99) |
Implant | 611 | (11) | 5089 | (89) | 61 | (20) | 239 | (80) |
TKA | 226 | (4) | 5474 | (96) | 39 | (13) | 261 | (87) |
UKA | 44 | (1) | 5656 | (99) | 7 | (2) | 293 | (98) |
Plate | 111 | (2) | 5589 | (98) | 7 | (2) | 293 | (98) |
IM-nail | 99 | (2) | 5601 | (98) | 0 | (0) | 300 | (100) |
IM-nail femur | 68 | (1) | 5632 | (99) | ||||
IM-nail tibia | 14 | (0) | 5686 | (100) | 0 | (0) | 300 | (100) |
Cerclage | 55 | (1) | 5645 | (99) | 0 | (0) | 300 | (100) |
K-wires | 21 | (0) | 5679 | (100) | 0 | (0) | 300 | (100) |
Staple | 8 | (0) | 2514 | (44) | 4 | (1) | 296 | (99) |
X-fix | 3 | (0) | 5697 | (100) | 0 | (0) | 300 | (100) |
Screws | 57 | (1) | 5643 | (99) | 2 | (1) | 298 | (99) |
X-ligament | 36 | (1) | 5664 | (99) | 5 | (2) | 295 | (98) |