Table 3.
Survey Results of Patients by Body Mass Index (BMI)
| Parameter | BMI < 22 kg/m2 (N=10) | BMI ≥ 22 kg/m2 (N=10) | ||||
|---|---|---|---|---|---|---|
| Hard-Shelled Arm | Soft-Shelled Arm | P-value | Hard-Shelled Arm | Soft-Shelled Arm | P-value | |
| Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | |||
| Comfort | ||||||
| Daytime | 4.90 ± 2.81 | 7.20 ± 1.69 | 0.0156 | 6.40 ± 2.59 | 8.30 ± 2.41 | 0.0859 |
| Going out | 4.20 ± 3.22 | 7.20 ± 1.69 | 0.0039 | 5.60 ± 3.10 | 8.20 ± 2.44 | 0.0391 |
| Sleeping | 6.70 ± 2.79 | 7.30 ± 1.77 | 0.4844 | 6.50 ± 3.10 | 8.30 ± 3.02 | 0.1563 |
| Portability | 5.60 ± 2.50 | 8.00 ± 1.70 | 0.0078 | 6.80 ± 2.39 | 8.80 ± 2.49 | 0.0547 |
| Shape and size | 5.70 ± 2.79 | 8.60 ± 1.26 | 0.0039 | 6.20 ± 2.86 | 8.00 ± 2.36 | 0.1367 |
| Weight | 5.90 ± 2.28 | 8.80 ± 1.32 | 0.0078 | 7.70 ± 2.26 | 8.50 ± 2.46 | 0.2813 |
| Ease of viewing memory | 8.40 ± 2.01 | 4.50 ± 2.80 | 0.0195 | 7.20 ± 2.62 | 4.90 ± 2.51 | 0.0039 |
| Overall satisfaction | 6.00 ± 2.71 | 7.00 ± 1.63 | 0.1875 | 6.30 ± 2.36 | 8.00 ± 2.26 | 0.0859 |
Abbreviations: BMI, body mass index; SD, standard deviation.