Parameters | PLF group (n = 77) | CF group (n = 76) | P |
---|---|---|---|
Low back pain, VAS score (range) | |||
Preoperative | 6.0 (4.0, 7.0) | 5.0 (4.0, 6.0) | NS |
3 months | 2.0 (1.0, 2.0) | 1.0 (1.0, 2.0) | NS |
6 months | 1.0 (1.0, 1.0) | 1.0 (1.0, 1.0) | NS |
1 year | 1.0 (1.0, 1.0) | 1.0 (0, 1.0) | NS |
2 years | 1.0 (0, 1.0) | 1.0 (0, 1.0) | NS |
Radicular pain, VAS score (range) | |||
Preoperative | 8.0 (7.0, 8.0) | 8.0 (7.0, 8.0) | NS |
3 months | 1.0 (1.0, 2.0) | 1.0 (1.0, 1.0) | NS |
6 months | 1.0 (1.0, 1.0) | 1.0 (0, 1.0) | NS |
1 year | 1.0 (0, 1.0) | 0 (0, 1.0) | NS |
2 years | 0 (0, 1.0) | 0 (0, 1.0) | NS |
JOA (range) | |||
Preoperative | 13.0 (13.0, 14.0) | 14.0 (13.0, 15.0) | NS |
3 months | 24.0 (23.0, 24.0) | 24.0 (23.0, 25.0) | NS |
6 months | 25.0 (24.0, 26.0) | 25.0 (25.0, 26.0) | NS |
1 year | 25.0 (24.0, 26.0) | 26.0 (25.0, 26.0) | NS |
2 years | 26.0 (25.0, 26.0) | 25.0 (24.0, 27.0) | NS |
ODI (range) | |||
Preoperative | 54.0 (52.2, 59.4) | 54.9 (50.4, 57.6) | NS |
3 months | 14.4 (12.6, 16.2) | 12.6 (9.0, 16.2) | NS |
6 months | 10.8 (9.0, 14.4) | 12.6 (9.0, 14.4) | NS |
1 year | 10.8 (7.2, 12.6) | 9.9 (7.2, 10.8) | NS |
2 years | 9.0 (7.2, 10.8) | 7.2 (5.4, 10.8) | NS |
Postoperative complications (n) | 1 | 7 | ※ |