Table 3 The normal distribution of population data among various hospitals and demographic characteristics of iNPH and healthy groups.
From: MRI imaging characteristics of brainstem and midbrain aqueduct in patients with iNPH
Normality test | ||||
|---|---|---|---|---|
Hospital | Shapiro–Wilk test | |||
Statistics | Freedom | Significance | ||
Age of patients with iNPH | Santai People’s Hospital | 0.961 | 15 | 0.705 |
Mianyang Central Hospital | 0.897 | 15 | 0.185 | |
West China Hospital of Sichuan University | 0.941 | 15 | 0.401 | |
Height of patients with iNPH | Santai People’s Hospital | 0.939 | 15 | 0.368 |
Mianyang Central Hospital | 0.949 | 15 | 0.508 | |
West China Hospital of Sichuan University | 0.912 | 15 | 0.144 | |
Weight of patients with iNPH | Santai People’s Hospital | 0.931 | 15 | 0.275 |
Mianyang Central Hospital | 0.838 | 15 | 0.122 | |
West China Hospital of Sichuan University | 0.879 | 15 | 0.463 | |
iNPH | Healthy | t-value | P-value | |
|---|---|---|---|---|
Age (years) | 74.58 ± 7.39 | 73.20 ± 7.47 | 0.768 | 0.449 |
Sex (male: female) | 35:15 | 20:10 | −1.533 | 0.136 |
Height (cm) | 158.53 ± 6.76 | 156.03 ± 6.55 | 1.516 | 0.140 |
Weight (kg) | 58.73 ± 8.63 | 58.70 ± 6.96 | 0.017 | 0.987 |
