Table 5 Quality of life (QOL) represented by the Medical Outcomes Short Form 12 (SF-12) total score, physical component score (PCS), and mental component score (MCS)
Non-obese (<25 kg/m2) | Obese (30–39.9 kg/m2) | Morbidly obese (≥40 kg/m2) | p (sig) obesity | p (sig) surgery type | p (sig) obesity * surgery interaction | |
|---|---|---|---|---|---|---|
SF-12 total | ||||||
Preoperative | 32.6 ± 6.6 | 31.4 ± 6.4 | 24.7 ± 5.7 | |||
2 years | 37.6 ± 6.4 | 36.7 ± 6.9 | 32.1 ± 6.6 | |||
Follow-up | 36.3 ± 7.2 | 35.9 ± 7.3 | 30.8 ± 3.9 | 0.0001 | 0.714 | 0.541 |
SF-12 PCS | ||||||
Preoperative | 12.9 ± 2.9 | 11.9 ± 2.9 | 10.0 ± 2.1 | |||
2 years | 15.4 ± 3.4 | 14.9 ± 3.5 | 12.3 ± 3.1 | |||
Follow-up | 14.8 ± 3.7 | 14.5 ± 3.6 | 11.2 ± 2.1 | 0.0001 | 0.477 | 0.910 |
SF-12 MCS | ||||||
Preoperative | 19.6 ± 4.2 | 19.4 ± 4.4 | 14.6 ± 4.2 | |||
2 years | 22.2 ± 3.7 | 21.8 ± 3.7 | 19.7 ± 4.0 | |||
Follow-up | 21.5 ± 4.2 | 21.4 ± 4.3 | 19.6 ± 3.4 | 0.0001 | 0.926 | 0.508 |