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Pain relief comparisons in patients mmobilized with rigid head frame (RF) versus facemask (FM)
| Immobilization method | Barrow Neurological Institute (BNI) pain scale | ||
| Pre-SRS | Post-SRS | Improvement | |
| All Patients<br/>(n = 48) | 4.2±0.6 | 1.9±1.0 | 2.4±1.3 (p< 0.01) |
| Rigid head frame (RF)<br/>(n = 34) | 4.2±0.6 | 1.7±1.1 | 2.5±1.4 (p< 0.01) |
| Frameless facemask (FM)<br/>(n = 14) | 4.3±0.5 | 2.3±1.1 | 2.0±1.2 (p< 0.01) |
| P value between RF and FM | p = 0.23 | ||
