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Mean and standard deviation of RSA gain (unit: ms/l) across subjects in different conditions.
| young | old | |||
|---|---|---|---|---|
| control | DB | control | DB | |
| supine | 339.5 ±220.1 | 45.1 ±25.1 | 106.9 ±107.0 | 78.3 ±68.7 |
| upright | 78.0 ±22.8 | 13.3 ±9.9 | 54.4 ±28.1 | 40.9 ±28.4 |
| posture/pharmacological/age condition group comparison | ||||
| Control supine vs. upright (young) | p < 0.01 | |||
| Control supine vs. upright (old) | p = 0.16 | |||
| Supine control vs. DB (young) | p < 0.01 | |||
| Supine control vs. DB (old) | p = 0.67 | |||
| Supine control young vs. old | p < 0.01 | |||
