From: Mechanisms and mediation in survival analysis: towards an integrated analytical framework
Variable | Value | Summary data |
---|---|---|
Stage at diagnosis (three dummy variables) | Â | Â |
 | Stage I (reference) | 559 (10.8 %) |
 | Stage II | 1,812 (35.0 %) |
 | Stage III | 1,678 (32.4 %) |
 | Stage IV | 1,129 (21.8 %) |
Treatment optimality (binary)a | Â | Â |
 | sub-optimal (0) | 995 (19.2 %) |
 | optimal/more aggressive (1) | 4183 (80.8 %) |
Age at diagnosis (continuous measure) | (Scaling factor = 0.10) |  |
 | < 60 | 1,109 (21.4 %) |
 | 60–69 | 1,396 (27.0 %) |
 | 70–79 | 1,779 (34.4 %) |
 | 80+ | 894 (17.3 %) |
Deprivation score (continuous)b | (rescaled to 0–1 metric) |  |
 | Mean | 0.58 |
 | Standard deviation | 0.13 |
Emergency admission (binary)c | Â | Â |
 | First admission elective (0) | 4,026 (77.8 %) |
 | First admission via A&E (1) | 1152 (22.2 %) |
High caseload hospital (binary)d | Â | Â |
 | Less than or equal to 40 per annum (0) | 2,876 (55.5 %) |
 | More than 40 per annum (1) | 2,302 (44.5 %) |