Table 4.
Preoperative characteristics of patients with and without an improved mRS score at 1 year after surgery
| Characteristic | Improvement (n = 28) | No improvement (n = 19) | p value† |
|---|---|---|---|
| Demographic information | |||
| Age (years) | 68.3 ± 8.8 | 65.3 ± 9.4 | 0.413 |
| Duration of symptoms (months) | 12 (6.0–24.0) | 13.5 (7–72) | 0.476 |
| Preoperative clinical outcomes | |||
| mRS score | 2.0 (2.0–3.5) | 2.0 (1.0–3.0) | 0.423 |
| iNPHGS score | 6.0 (5.0–7.5) | 5.5 (3.3–7.0) | 0.621 |
| MRI findings | |||
| DESH score | 6.0 (4.5–6.0) | 4.5 (3.25–6.0) | 0.230 |
| iNPH Radscale | 8.0 (7.0–9.5) | 8.0 (6.25–10.0) | 0.657 |
| EI | 0.34 (0.32–0.40) | 0.378(0.34–0.41) | 0.397 |
| CA | 83.0 (75.0–93.5) | 86.5 (73.5–96.8) | 0.430 |
Nonparametric data are presented as median (interquartile range). Significant difference was determined using the Mann-Whitney U test
iNPHGS idiopathic normal pressure hydrocephalus grading scale, MRI magnetic resonance imaging, mRS modified Rankin Scale, DESH disproportionately enlarged subarachnoid space hydrocephalus, EI Evans’ index, CA callosal angle