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Patient demographics.
| Demographics | Mean | SD |
|---|---|---|
| Age (years) | 68 | 8 |
| Weight (kg) | 79.6 | 15.0 |
| Size (cm) | 164.2 | 8.5 |
| BMI (kgm2) | 29.4 | 4.5 |
| Duration of symptoms (months) | 52 | 50 |
SD = standard deviation; kg = kilograms; cm = centimeters; kgm2 = kilograms per square meter.
