Table 3. Progression free survival of the groups and histological subgroups.
| Variables | Group A |
Group B |
|||||
|---|---|---|---|---|---|---|---|
| Mean PFS (months) | Standard error | 95% CI | Mean PFS (months) | Standard error | 95% CI | ||
| Adenocarcinoma | 2.438 | 0.202 | 2.043-2.834 | 3.462 | 0.340 | 2.795-4.129 | |
| Squamous carcinoma | 2.615 | 0.216 | 2.192-3.039 | 2.604 | 0.229 | 2.155-3.054 | |
| Overall | 2.545 | 0.153 | 2.244-2.845 | 3.057 | 0.235 | 2.596-3.517 | |
Note that group A received palliative radiotherapy alone, while group B received metronomic oral cyclophosphamide in addition to palliative radiotherapy.