Table 2. Crude and covariate-adjusted hazard ratios for depressive disorder among the sampled patients with gallstones during the two-year follow-up starting from the index date.
| Presence of depressive disorder | Total sample N = 6755 | Patients undergoing cholecystectomy N = 1197 | Patients did not undergo cholecystectomy N = 5558 | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| One-year follow-up period | ||||||
| Yes | 173 | 2.56 | 42 | 3.51 | 131 | 2.36 |
| Crude HR (95% CI) | - | 1.51* (1.07–2.14) | 1.00 | |||
| Adjusted HR a (95% CI) | 1.43* (1.02–2.04) | 1.00 | ||||
Note: HR, hazard ratio
aAdjustments are made for patient’s sex, age and geographical location
*p<0.05