Table 3.
Demographic characteristics, duration of preoperative back/leg pain, and number and level of segments fused for the two groups. There was no significant difference between the two groups on any of the parameters
| Parameter | ALIF | PLIF |
|---|---|---|
| Age in years: mean (range) | 43 (25–67) | 40.6 (24–67) |
| Females (n) | 23 | 12 |
| Males (n) | 16 | 23 |
| Years of preop pain: mean (range) | ||
| Back pain | 10.1 (2.1–32) | 5.8 (0.3–20) |
| Leg pain | 8.1 (0–32) | 4.2 (0–10.4) |
| Level(s) fused | ||
| L5–S1 | 22 | 35 |
| L4–L5 | 21 | 16 |
| L3–4 | 2 | 1 |
| L2–L3 | 2 | 0 |
| Single level | 31 | 18 |
| Two level | 8 | 17 |