| Follow-up | Mean age | ||||||
---|---|---|---|---|---|---|---|---|
OLIF | LLIF | OLIF | LLIF | |||||
Coefficient (95% CI) | P > t | Coefficient (95% CI) | P > t | Coefficient (95% CI) | P > t | Coefficient (95% CI) | P > t | |
Disc height | 0.01(−0.79 to 0.09) | 0.88 | −0.07(−0.31 to 0.16) | 0.44 | −0.09(−0.32 to 0.15) | 0.36 | 0.11(−0.67 to 0.89) | 0.73 |
Visual analogue scale | 0.01(− 0.23 to 0.24) | 0.94 | −0.01(− 0.05 to 0.04) | 0.84 | 0.36(− 0.05 to 0.78) | 0.08 | − 0.04(− 0.17 to 0.09) | 0.54 |
Oswestry Disability Index | −0.08(− 0.28 to 0.12) | 0.38 | 0.02(− 0.02 to 0.06) | 0.34 | 0.46 (0.18 to 0.74) | 0.01* | −0.06(− 0.15 to 0.02) | 0.14 |