Table 2.
Cox proportional hazards model of survival (univariable and multivariable analyses) of the total study population n = 1149 in the Stockholm–Gotland region
| Cox proportional hazards | Survival (univariable) | Survival (multivariable) | ||
|---|---|---|---|---|
| Haz. ratio (95% CI) | p value | Haz. ratio (95% CI) | p value | |
| Age category (ref: 18–39) | ||||
| 40–59 | 2.29 (1.83–2.87) | < 0.001 | 2.15 (1.59–2.90) | < 0.001 |
| 60–69 | 3.08 (2.45–3.88) | < 0.001 | 3.13 (2.28–4.29) | < 0.001 |
| 70– | 4.68 (3.61–6.07) | < 0.001 | 4.25 (2.99–6.02) | < 0.001 |
| Year of diagnosis (ref: 01/04) | ||||
| 05/07 | 0.98 (0.81–1.19) | 0.853 | 0.91 (0.72–1.14) | 0.399 |
| 08/10 | 1.08 (0.91–1.28) | 0.402 | 0.92 (0.74–1.14) | 0.450 |
| 11/13 | 0.95 (0.80–1.15) | 0.617 | 0.84 (0.67–1.06) | 0.145 |
| Sex | ||||
| Male | 1.12 (0.99–1.27) | 0.074 | 1.24 (1.05–1.46) | 0.010 |
| Comorbidity* | ||||
| Comorbid | 1.33 (1.15–1.54) | < 0.001 | 1.13 (0.97–1.32) | 0.127 |
| Educational level (ref: elementary) | ||||
| High school diploma | 0.88 (0.74–1.05) | 0.166 | 0.96 (0.78–1.19) | 0.739 |
| University degree | 0.83 (0.70–0.99) | 0.036 | 0.99 (0.79–1.24) | 0.937 |
| Income level (ref: low) | ||||
| Medium | 1.04 (0.91–1.20) | 0.563 | 0.89 (0.74–1.06) | 0.191 |
| High | 0.97 (0.81–1.16) | 0.749 | 0.76 (0.60–0.97) | 0.024 |
| Country of birth (ref: Sweden) | ||||
| Born in Europe (not Sweden) | 1.13 (0.93–1.39) | 0.219 | 1.23 (0.98–1.55) | 0.072 |
| Born outside Europe | 0.81 (0.59–1.11) | 0.192 | 0.94 (0.65–1.34) | 0.722 |
| Grade IV (ref: grade III) | ||||
| Grade IV | 2.00 (1.58–2.53) | < 0.001 | 1.57 (1.23–2.02) | < 0.001 |
Bold values indicate the p value ≤ 0.05
*Any comorbidity (any comorbidity or no comorbidity according to the Elixhauser definition)