Table 5 Patient-reported improvement in back and leg pain (Numeric Rating Scale; NRS) and quality of life [EQ-5D index and EQ-5D VAS (visual analogue scale] from before to after surgery, and during different postoperative periods in 50 patients aged 51–85 years who underwent decompression due to central lumbar spinal stenosis (CLSS)
Changes during different periods | ||||
|---|---|---|---|---|
Preoperative to postop day 1 | Postop day 1 to postop day 7 | Postop day 7 to postop day 14 | Preoperative to postop day 14 | |
NRS back pain | ||||
All (n = 50) | − 0.2 (− 1.1, 0.6) | − 0.6 (− 1.2, − 0.03) | − 0.7 (− 1.3, − 0.2) | − 1.6 (− 2.3, − 0.8) |
Men (n = 25) | − 0.6 (− 2.0, 0.8) | − 0.8 (− 1.6, − 0.01) | − 0.5 (− 1.4, − 0.4) | − 1.9 (− 3.0, − 0.8) |
Women (n = 25) | 0.2 (− 1.0, 1.3) | − 0.4 (− 1.3, 0.5) | − 1.0 (− 1.6, − 0.3) | − 1.2 (− 2.2, − 0.2) |
NRS leg pain | ||||
All (n = 50) | − 5.2 (− 6.1, − 4.3) | 0.7 (0.06, 1.4) | − 0.4 (− 0.8, 0.1) | − 4.8 (− 5.8, − 3.9) |
Men (n = 25) | − 5.5 (− 6.7, − 4.2) | 0.5 (− 0.2, 1.3) | − 0.2 (− 0.9, 0.5) | − 5.2 (− 6.6, − 3.8) |
Women (n = 25) | − 5.0 (− 6.4, − 3.5) | 1.0 (− 0.2, 2.1) | − 0.5 (− 1.2, 0.2) | − 4.5 (− 5.9, − 3.1) |
EQ5D index | ||||
All (n = 50) | 0.09 (0.06, 0.13) | 0.05 (0.02, 0.08) | 0.01 (− 0.02, 0.04) | 0.15 (0.12, 0.18) |
Men (n = 25) | 0.10 (0.05, 0.15) | 0.04 (0.0, 0.09) | 0.03 (− 0.02, 0.07) | 0.17 (0.13, 0.21) |
Women (n = 25) | 0.08 (0.03, 0.13) | 0.05 (0.01, 0.10) | − 0.01 (− 0.03, 0.02) | 0.13 (0.09, 0.17) |
EQ5D VAS | ||||
All (n = 50) | 13.7 (9.1, 18.3) | 6.0 (2.0, 10.0) | 1.3 (− 1.9, 4.5) | 21.0 (17.0, 25.0) |
Men (n = 25) | 15.7 (8.8, 22.6) | 5.0 (− 0.5, 10.5) | 3.6 (− 2.0, 9.2) | 24.2 (18.7, 29.7) |
Women (n = 25) | 11.8 (5.3, 18.2) | 7.0 (0.8, 13.1) | − 0.9 (− 4.2, 2.3) | 17.8 (11.9, 23.7) |