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Correlations between the scales used in the study
| KPS | ECOG | Barthel ADL | |
|---|---|---|---|
| PPSv2-Polish | 0.69* | −0.81* | 0.75* |
| KPS | −0.57* | 0.68* | |
| ECOG PS | −0.73* |
* Spearman’s Rho P < 0.001, Abbreviations: PPSv2-Polish Polish translation of the Palliative Performance Scale Version 2, KPS Karnofsky Performance Score, ECOG PS Eastern Cooperative Oncology Group Performance Status, ADL Activities of Daily Living
