Table 4 Normal distribution tests for the mesencephalic aqueduct in iNPH patients across three hospitals.
From: MRI imaging characteristics of brainstem and midbrain aqueduct in patients with iNPH
Normality test | ||||
|---|---|---|---|---|
Group | Hospital | Shapiro–Wilk test | ||
Statistics | Freedom | Significance | ||
Mesencephalic aqueduct length (mm) in Patients with iNPH | Santai People’s Hospital | 0.891 | 15.000 | 0.070 |
Mianyang Central Hospital | 0.945 | 15.000 | 0.443 | |
West China Hospital of Sichuan University | 0.847 | 15.000 | 0.157 | |
Diameter at the opening of the mesencephalic aqueduct (mm) in Patients with iNPH | Santai People’s Hospital | 0.955 | 15.000 | 0.606 |
Mianyang Central Hospital | 0.775 | 15.000 | 0.180 | |
West China Hospital of Sichuan University | 0.914 | 15.000 | 0.158 | |
Mesencephalic aqueduct angle in Patients with iNPH | Santai People’s Hospital | 0.719 | 15.000 | 0.403 |
Mianyang Central Hospital | 0.974 | 15.000 | 0.907 | |
West China Hospital of Sichuan University | 0.898 | 15.000 | 0.088 | |
