Table 4.
Radiographic spinopelvic values in the LIF and PLIF groups
| Variable | LIF group |
PLIF group |
||||
|---|---|---|---|---|---|---|
| Preoperative | Latest FU | p-value | Preoperative | Latest FU | p-value | |
| CVA (mm) | 20 (0 to 61) | 6.6 (0 to 40) | 0.034 | 37 (0 to 111) | 18 (0 to 50) | 0.025 |
| Cobb (°) | 45 (0 to 67) | 14 (0 to 29) | <0.01 | 58 (40 to 86) | 20 (10 to 45) | <0.01 |
| SVA (mm) | 93 (20 to 173) | 17 (−45 to 66) | <0.01 | 84 (0 to 175) | 41 (0 to 160) | 0.010 |
| PT (°) | 32 (5 to 45) | 23 (12 to 36) | <0.01 | 30 (16 to 50) | 23 (15 to 34) | <0.01 |
| TK (°) | 13 (−15 to 34) | 34 (20 to 58) | <0.01 | 17 (−10 to 38) | 32 (5 to 59) | <0.01 |
| LL (°) | 6.1 (−28 to 44) | 44 (26 to 58) | <0.01 | 22 (−9 to 43) | 46° (35 to 64) | <0.01 |
| PI (°) | 48 (27 to 60) | - | - | 53 (43 to 64) | - | - |
| PI–LL (°) | 42 (−6 to 83) | 3.8 (−17 to 18) | <0.01 | 31 (8 to 59) | 6.5° (−4 to 19) | <0.01 |
| LL (FBB, °) | 33 (15 to 48) | - | - | 38 (20 to 67) | - | - |
Values are presented as mean (range).
LIF, lateral lumbar interbody fusion; PLIF, posterior lumbar interbody fusion; FU, follow-up; CVA, coronal vertical axis; SVA, sagittal vertical axis; PT, pelvic tilt; TK, thoracic kyphosis; LL, lumbar lordosis; PI, pelvic incidence; FBB, fulcrum backward bending.