From: Vagus nerve stimulation for treatment-resistant mood disorders: a long-term naturalistic study
Baseline (surgery) | 3 months | 6 months | 9 months | 12 months | Repeated measures ANOVA | ||
---|---|---|---|---|---|---|---|
Variable | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | F | p |
HDRS-17 | 23.0 (±2.0) | 14.8 (±6.9) | 15.2 (±8.6) | 15.0 (±9.5) | 14.6 (±8.7) | 1.120 | .382 |
MADRS | 31.4 (±5.6) | 18.8 (±9.9) | 19.6 (±13.1) | 19.2 (±14.5) | 18.8 (±13.3) | 1.496 | .250 |
CGI-S | 5.6 (±0.5) | 4.0 (±1.6) | 4.2 (±1.1) | 3.6 (±2.1) | 3.4 (±2.3) | 2.429 | .090 |
SF-36 physical summary | 42.7 (±7.4) | 45.8 (±2.9) | 46.3 (±7.1) | 43.9 (±2.7) | 46.6 (±4.4) | .416 | .794 |
SF-36 mental summary | 25.5 (±17.2) | 31.7 (±20.4) | 31.3 (±15.2) | 26.6 (±11.1) | 31.7 (±18.4) | .245 | .909 |