Research Article

Feasibility of Bariatric Surgery as a Strategy for Secondary Prevention in Cardiovascular Disease: A Report from the Swedish Obese Subjects Trial

Table 3

Health related quality of life in surgery and control groups at baseline and changes in prevalence after 2 and 10 years of follow-up. Only the patients applicable for the certain timepoint are included in the statistical calculations.

BaselineChange at 2-year follow-upChange at 10-year follow-up

Surgery, n=21Surgery, n=21Surgery, n=13
Control, n=14Control, n=13Control, n=8

Current health perceptions
 Surgery41.3 ± 19.8 21.8 ± 30.3-0.8 ± 14.5
 Control35.1 ± 24.2 6.6 ± 16.26.8 ± 29.3

Social interaction
 Surgery15.5 ± 15.6-9.9 ± 12.6*-3.4 ± 8.9
 Control15.8 ± 11.1 0.4 ± 9.9-9.7 ± 12.0

Obesity-related Problems scale
 Surgery48.4 ± 31.3-35.1 ± 26.5***-31.0±26.7**
 Control28.3 ± 27.78.7 ± 19.6-0.8 ± 14.6

Overall Mood
 Surgery2.85 ± 0.520.23 ± 0.410.09 ± 0.34
 Control2.79 ± 0.63-0.01 ± 0.550.18 ± 0.32

Anxiety
 Surgery6.5 ± 4.4-1.7 ± 3.5-1.2 ± 2.8
 Control7.5 ± 4.8-1.0 ± 2.7-2.4 ± 4.2

Depression
 Surgery5.2 ± 2.8-1.9 ± 2.7*-0.7±2.6*
 Control5.1 ± 2.70.5 ± 2.2 0.1 ± 2.8

P-value denotes differences in effects of treatment between the two groups from baseline to 2 and 10 years of follow-up.*P  <.05, **P    <.01, ***P  <.001.
Current health perceptions: scale range 0–100; high scores represent well-being.
Social interaction: scale range and obesity-related problems scale 0–100; high scores indicate dysfunction.
Overall mood: scale range 1–4; high scores represent well-being.
Anxiety and depression: scale range 0–21; high scores represent symptoms.