Table 2.
Cox proportional hazards models for the associations between socioeconomic and clinical variables with deaths from all causes in patients treated at the National Oncology Institute 2012–2015
| Socioeconomic and clinical variables | Crude HR | Adjusted HR* | ||
| HR | 95% CI | HR | 95% CI | |
| Sex | ||||
| Female | Reference | Reference | ||
| Male | 0.93 | (0.70 to 2.13) | 0.67 | (0.41 to 1.01) |
| Age | ||||
| 45–64 years | Reference | Reference | ||
| Less than 45 years | 1.43 | (0.96 to 2.13) | 0.91 | (0.53 to 1.58) |
| 65–74 years | 0.90 | (0.61 to 1.32) | 0.66 | (0.38 to 1.16) |
| 75 years or more | 1.14 | (0.78 to 1.68) | 1.68 | (0.91 to 3.10) |
| Social security status | ||||
| With social security | Reference | Reference | ||
| Without social security | 1.44† | (1.01 to 2.05)† | 2.02† | (1.16 to 3.53)† |
| Employment status‡ | ||||
| Formal employment | Reference | Reference | ||
| Informal employment | 1.04 | (0.66 to 1.63) | 1.29 | (0.68 to 2.44) |
| Retired/pensioner | 0.87 | (0.57 to 1.35) | 1.48 | (0.78 to 2.79) |
| Unemployed | 1.12 | (0.77 to 1.65) | 0.75 | (0.40 to 1.44) |
| Marital status§ | ||||
| Married/common-law marriage | Reference | Reference | ||
| Single | 1.06 | (0.76 to 1.47) | 0.87 | (0.57 to 1.32) |
| Widowed | 0.72 | (0.41 to 1.25) | 0.57 | (0.24 to 1.37) |
| Province | ||||
| Panama and Colon | Reference | Reference | ||
| Veraguas and Cocle | 0.87 | (0.58 to 1.32) | 0.86 | (0.50 to 1.47) |
| Herrera and Los Santos | 0.62 | (0.36 to 1.07) | 0.71 | (0.33 to 1.52) |
| Other provinces | 0.82 | (0.48 to 1.41) | 1.06 | (0.48 to 2.33) |
| Anatomic location by endoscopy¶ | ||||
| Non-cardia | Reference | Reference | ||
| Cardia | 1.30 | (0.78 to 2.19) | 0.94 | (0.42 to 2.13) |
| Overlapping | 1.34 | (0.99 to 1.83) | 1.50 † | (1.02 to 2.22)† |
| Histological type** | ||||
| Intestinal type | Reference | Reference | ||
| Diffuse type | 1.64† | (1.13 to 2.40)† | 0.79 | (0.43 to 1.47) |
| Mixed type | 2.12† | (1.31 to 3.44)† | 1.57 | (0.80 to 3.07) |
| Tumour grade†† | ||||
| Well/moderately differentiated | Reference | Reference | ||
| Poorly differentiated | 1.91† | (1.38 to 2.65)† | 2.27† | (1.22 to 4.22)† |
| Clinical stage | ||||
| I–III | Reference | Reference | ||
| IV | 4.37† | (3.02 to 6.33)† | 5.54† | (3.38 to 9.08)† |
*Adjustments were performed including all the covariates.
†p <0.05.
‡Employment status: one missing.
§Marital status: one missing.
¶Anatomic location: 11 missing.
**Histological type: 83 missing.
††Tumour grade: nine missing.