Rating scale | Baseline | Postop | 12 months | Long term follow-up | Percentage change at long term | p Value (baseline to long term) |
HRSD-17 (actual scores) | 26.8±3.9 (n=6) | 20.8±10.6 (n=4) | 15.3±10.7 (n=6) | 13.3±12.0 (n=18) | −50.7 | 0.101 (n=6) |
HRSD-17 (imputed scores) | 23.3±4.6 (n=18) | 15.8±7.0 (n=16) | 16.2±7.0 (n=12) | 13.8±11.6 (n=20)* | −44.2 | 0.004 (n=18) |
MADRS (not imputed) | 39.6±6.5 (n=18) | 24.2±11.6 (n=16) | 24.1±12.2 (n=12) | 22.6±16.4 (n=20) | −42.9 | 0.001 (n=18) |
LQoLP (mean satisfaction scores) | 3.9±1.1 (n=12) | N/A | 4.5±0.92 (n=7) | 4.9±0.9 (n=17) | +25.6 | 0.049 (n=11) |
HADS (anxiety subscale) | 14.7±5.0 (n=10) | 8.5±6.9 (n=6) | 8.4±8.0 (n=5) | 10.4±4.9 (n=17) | −29.3 | 0.132 (n=9) |
↵* Data not imputed at long term follow-up.
Paired samples t-test used to calculate p values.
HADS, Hospital Anxiety and Depression Scale; HRSD, Hamilton Rating Scale for Depression; LQoLP, Lancashire Quality of Life Profile; MADRS, Montgomery Asperg Depression Rating Scale.