Table 3.
Associations between psychiatric diagnoses and reoperation within 30 days of gastric bypass surgery, odds ratios (ORs) with 95% confidence intervals (CIs)
| Total | Reoperation within 30 days | Crude OR conditioned on calendar year (95% CI) | Model 1b Adjusted OR (95% CI) |
Model 2c Adjusted OR (95% CI) |
||
|---|---|---|---|---|---|---|
| Number | Number | % | ||||
| All | 22,539 | 1270 | 5,6 | |||
| None of the below mentioned diagnoses and no antidepressant medication prescribed since 2005 | 13,059 | 667 | 5.1 | Ref 1.00 | Ref 1.00 | Ref 1.00 |
| Diagnosis below or antidepressant medication | 9480 | 603 | 6.4 | 1.26 (1.13–1.41) | 1.26 (1.12–1.41) | 1.25 (1.11–1.41) |
| Diagnosis below | 4856 | 327 | 6.7 | 1.34 (1.17–1.54) | 1.39 (1.21–1.59) | 1.37 (1.19–1.57) |
| Diagnoses since 1997 | ||||||
| Severe mental illness (Bipolar disorder/Schizophrenia)a | 375 | 25 | 6.7 | 1.34 (0.89–2.03) | 1.47 (0.77–2.80) | 1.45 (0.76–2.78) |
| Depressiona,d | 2100 | 145 | 6.9 | 1.38 (1.15–1.67) | 1.28 (0.97–1.69) | 1.28 (0.97–1.69) |
| Neurotic disorderse | 2769 | 187 | 6.8 | 1.35 (1.14–1.60) | 1.37 (1.09–1.73) | 1.35 (1.06–1.70) |
| Attention deficit hyperactivity disorder | 314 | 15 | 4.8 | 0.97 (0.57–1.64) | 0.91 (0.35–2.36) | 0.88 (0.33–2.32) |
| Substance use disorder or treatment for substance use disorder | 971 | 70 | 7.2 | 1.46 (1.13–1.88) | 1.46 (0.98–2.16) | 1.46 (0.98–2.17) |
| Eating disorder | 285 | 15 | 5.3 | 1.03 (0.61–1.74) | 1.04 (0.43–2.55) | 1.08 (0.44–2.62) |
| Personality disorder | 551 | 43 | 7.8 | 1.59 (1.15–2.19) | 1.48 (0.69–3.17) | 1.41 (0.66–3.03) |
| Self-harm | 1169 | 79 | 6.8 | 1.34 (1.05–1.70) | 1.25 (0.87–1.80) | 1.29 (0.89–1.86) |
| None of the above, but antidepressant medication prescribed after year 2005f | 4624 | 276 | 6.0 | 1.18 (1.02–1.36) | 1.11 (0.96–1.29) | 1.11 (0.96–1.29) |
aIn case of diagnoses of both severe mental illness and depression, severe mental illness was chosen
bAdjusted for age and sex, and conditioned on calendar year
cAdjusted for age, sex, type of gastric bypass surgery, and the other diagnoses since 1997 (including treatment for SUD, but not antidepressant medication) and conditioned on calendar year
dDoes not include the group prescribed antidepressants with no diagnosis of depression
eAgoraphobia, anxiety disorders, obsessive-compulsive disorder, reaction to severe stress including posttraumatic stress syndrome, adjustment disorders, dissociative, and conversion disorders, somatoform disorders, and other non-psychotic mental disorders
fFilled prescription from the pharmacotherapeutic group N06A (according to the Anatomical Therapeutic Chemical (ATC) classification system)