Table 2.
North American Spine Society (NASS) Lumbar Spine Outcome Assessment Instrument and the Nottingham Health Profile (NHP) questionnaires; mean values and significance
| Group 1 (n=33) conventional approach |
Group 2 (n=23) minimally invasive |
p value | |
| NASSa subscales | |||
| Lumbar pain and disability | 3.3 | 3.0 | 0.28 |
| Neurogenic symptoms | 3.3 | 3.2 | 0.75 |
| NHPb subscales | |||
| Energy | 42.3 | 37.7 | 0.52 |
| Pain | 65.4 | 46.7 | 0.02* |
| Emotional reaction | 22.7 | 15.5 | 0.19 |
| Sleep | 37.7 | 34.8 | 0.62 |
| Social isolation | 6.2 | 3.5 | 0.13 |
| Physical mobility | 39.4 | 38 | 0.78 |
Mean values expressed: * significant
a NASS Lumbar Spine Outcome Assessment Instrument
b NHP