Table 1. Characteristics of the patients enrolled (N = 138).
| Variable | mean ± SD or frequency (%) | p-value | ||
| survival ≤ 7 days | survival >7 days | |||
| n = 29 (21.0) | n = 109 (79.0) | |||
| Age (years) | 67.8±11.5 | 67.3±12.9 | 0.814 | |
| Sex | 0.394 | |||
| Male | 18 (62) | 58 (53) | ||
| Female | 11 (38) | 51 (47) | ||
| Functional status and symptom burden | ||||
| Mean muscle power | 3.1±1.3 | 3.6±1.1 | 0.085 | |
| Cognitive impairment | 18 (62) | 39 (36) | 0.011 | |
| Edema | 15 (52) | 58 (53) | 0.887 | |
| Jaundice | 14 (48) | 38 (35) | 0.185 | |
| Ascites | 14 (48) | 29 (27) | 0.025 | |
| ECOG PS | 0.017 | |||
| grade 1 or 2 | 5 (17) | 45 (41) | ||
| grade 3 or 4 | 24 (83) | 64 (59) | ||
| Heart rate variability indices | ||||
| lnTP | 4.76±1.59 | 5.49±2.25 | 0.021 | |
| lnHFP | 0.92±2.26 | 2.25±3.07 | 0.055 | |
| ln(LFP/HFP) | −0.33±0.82 | −0.18±0.97 | 0.403 | |
SD: standard deviation, ECOG PS: Eastern Cooperative Oncology Group performance status, lnTP: natural logarithm-transformed total power, lnHFP: natural logarithm-transformed high-frequency power, ln(LFP/HFP): natural logarithm-transformed (lower-frequency power/high frequency power).