Table 2.
Baseline data of patients included in the study [mean + (range) where applicable]
| Gender | 49 females | 51 males |
|---|---|---|
| Age | 62.4 (55–82) | |
| Duration of symptoms (months) | 73 (12–360) | |
| Pre-operative parameters | ODI | 56.6% (28–84) |
| LBOS | 18.34 (3–46) | |
| MZD | 27.13 (0–56) | |
| MSP | 7.12 (0–24) | |
| Types of decompression surgery (No. of cases) | Decompression only | 31 |
| Decompression with non-instrumented fusion | 33 | |
| Decompression with instrumented fusion | 36 | |
| Number of levels of decompression | One level | 29 |
| Two levels | 50 | |
| Three levels | 17 | |
| Four levels | 4 | |