Local treatment modality | Subdivision of RT and surgery group | |||||
---|---|---|---|---|---|---|
None N = 23 | Radiotherapy (RT) alone N = 164 | Surgery alone N = 138 | RT and surgery N = 289 | RT then surgery N = 201 | Surgery then RT N = 88 | |
No. events | ||||||
EFS | 21 | 105 | 53 | 131 | 93 | 38 |
OS | 19 | 92 | 41 | 109 | 79 | 30 |
Unadjusted | ||||||
EFS | 20 (2.64–161) | 0.86 (0.58–1.26) | 1.31 (0.76–2.25) | 1.67 (1.05–2.66) | 2.22 (0.81–6.07) | 1.99 (1.05–3.78) |
OS | 1.50 (0.56–3.96) | 0.95 (0.63–1.44) | 1.50 (0.81–2.80) | 1.65 (1.00–2.74) | 1.96 (0.72–5.37) | 2.10 (1.02–4.30) |
Adjusted for age, metastatic disease, primary site and histology | ||||||
EFS | 53 (4.0–477) | 0.92 (0.62–1.38) | 1.24 (0.70–2.20) | 1.82 (1.12–2.94) | 2.40 (0.84–6.84) | 2.50 (1.24–5.06) |
OS | 2.09 (0.64–6.79) | 1.06 (0.69–1.63) | 1.41 (0.73–2.74) | 1.81 (1.07–3.05) | 2.21 (0.77–6.35) | 2.76 (1.26–6.05) |
Adjusted for age, metastatic disease, primary site, histology and time between the start of chemotherapy and starting local treatment | ||||||
EFS | 0.91 (0.60–1.38) | 1.24 (0.70–2.19) | 1.61 (0.96–2.70) | 1.98 (0.70–5.60) | 2.83 (1.30–6.16) | |
OS | 1.04 (0.67–1.63) | 1.43 (0.73–2.78) | 1.68 (0.97–2.91) | 1.94 (0.68–5.58) | 3.39 (1.42–8.06) |