Outcome indicators | ULIF(n = 35) | Endo-TLIF(n = 34) | Effect value (95% CI) | P-value |
---|---|---|---|---|
Surgical time (\(\bar{x}\) ± s, min) | 112.78 ± 19.29 | 174.58 ± 18.41 | 61.80 (52.90, 70.70) | < 0.001 |
Intraoperative bleeding volume (\(\bar{x}\) ± s, mL) | 97.71 ± 11.15 | 101.73 ± 9.74 | 4.02 (-0.92, 8.97) | 0.116 |
Hospitalization time (\(\bar{x}\) ± s, d) | 6.81 ± 2.21 | 5.13 ± 2.03 | -1.68 (-2.69, -0.68) | 0.002 |
Intervertebral space bone graft area (\(\bar{x}\) ± s, mm2) | 3.63 ± 0.44 | 2.20 ± 0.62 | -1.43 (-1.68, -1.18) | < 0.001 |
Intervertebral fusion 6 months after surgery (yes,cases (%)) | 31 (88.57) | 29 (85.29) | 0.75 (0.18, 3.06) | 0.705 |
Intervertebral fusion at 12 months after surgery (yes/cases (%)) | 33 (94.29) | 32 (94.12) | 0.97 (0.13, 7.31) | 0.978 |
Postoperative intervertebral height (\(\bar{x}\) ± s, mm) | 10.49 ± 1.30 | 10.87 ± 1.78 | 0.38 (-0.36, 1.11) | 0.316 |
Postoperative spinal canal area (\(\bar{x}\) ± s, cm2) | 1.67 ± 0.47 | 1.71 ± 0.47 | 0.037(-0.184, 0.259) | 0.7415 |
Change in spinal canal area (\(\bar{x}\) ± s, cm2) | 1.02 ± 0.47 | 1.04 ± 0.49 | 0.023(-0.205, 0.252) | 0.8417 |
Change in intervertebral space height (\(\bar{x}\) ± s, mm) | 2.29 ± 1.42 | 2.38 ± 1.60 | 0.09 (-0.62, 0.80) | 0.808 |
VAS leg pain score 1 week after surgery M (Q1,Q3) | 3.00(2.00,3.00) | 2.00(2.00,3.00) | -0.14 (-0.50, 0.21) | 0.439 |
VAS leg pain score 3 months after surgery M (Q1,Q3) | 2.00(1.00,2.00) | 1.00(1.00,2.00) | -0.26 (-0.57, 0.05) | 0.087 |
VAS leg pain score 12 months after surgery M (Q1,Q3) | 1.00(1.00,2.00) | 1.00(1.00,2.00) | -0.05 (-0.37, 0.28) | 0.760 |
VAS low back pain score 1 week after surgery M (Q1,Q3) | 2.00(2.00,3.00) | 2.00(2.00,3.00) | 0.11 (-0.22, 0.44) | 0.746 |
VAS low back pain score 3 months after surgery M (Q1,Q3) | 2.00(1.00,2.00) | 2.00(1.00,2.00) | 0.09 (-0.27, 0.44) | 0.499 |
VAS low back pain score 12 months after surgery M (Q1,Q3) | 1.00(1.00,2.00) | 1.00(1.00,2.00) | 0.05 (-0.27, 0.37) | 0.899 |
VAS score for back pain : VAS score for leg pain 1 week after surgery M (Q1,Q3) | 0.86(0.67,1.00) | 1.00(0.67,1.50) | 0.189(-0.054, 0.432) | 0.283 |
VAS score for back pain : VAS score for leg pain 3 months after surgery M (Q1,Q3) | 1.00(0.50,1.00) | 1.00(0.50,2.00) | 0.182(-0.134, 0.499) | 0.190 |
VAS score for back pain : VAS score for leg pain 12 months after surgery M (Q1,Q3) | 1.00(0.50,1.00) | 1.00(0.50,1.00) | -0.028(-0.312, 0.257) | 0.722 |
ODI index 1 week after surgery (\(\bar{x}\) ± s) | 18.17 ± 4.35 | 19.09 ± 3.62 | 0.97(-2.84, 1.01) | 0.345 |
ODI index 6 months after surgery (\(\bar{x}\) ± s) | 8.14 ± 2.68 | 8.06± 2.70 | 0.65 (-1.21, 1.38) | 0.897 |
ODI index 12 months after surgery (\(\bar{x}\) ± s) | 7.17 ± 3.29 | 7.15 ± 2.80 | 0.74(-1.44, 1.49) | 0.974 |