Table 1.

Baseline patients’ characteristics

Variable	Category
No of patients		658
Age (years)	Mean ± SD	77.16 ± 5.11
	Median (min–max)	77.00 (70.00–96.00)
Sex (n, %)	Females	433 (65.81 %)
	Males	225 (34.19 %)
BMI (kg/m2)	Mean ± SD	25.49 ± 4.21
	Median (min–max)	25.22 (15.50–47.56)
ADL	Mean ± SD	5.71 ± 0.85
	Median (min–max)	6.00 (0.00–6.00)
IADL	Mean ± SD	6.83 ± 1.80
	Median (min–max)	8.00 (0.00–8.00)
The presence of comorbidity (n, %)	No	495 (75.23 %)
	Yes	163 (24.77 %)
Comorbidity index CIRS	Mean ± SD	1.71 ± 1.29
	Median (min–max)	2.00 (0.00–7.00)
No of total comorbidities CIRS	Mean ± SD	2.72 ± 1.60
	Median (min–max)	3.00 (0.00–9.00)
No of severe comorbidities CIRS	Mean ± SD	0.31 ± 0.60
	Median (min–max)	0.00 (0.00–4.00)
MMSE (n, %)	<24	119 (18.09 %)
	≥24	539 (81.91 %)
The presence of psychiatric disease (n, %)	No	606 (92.10 %)
	Yes	52 (7.90 %)
Cancer stage (n, %)	I	246 (36.39 %)
	II	144 (21.88 %)
	III	121 (18.39 %)
	IV	147 (22.34 %)
Cancer treatment (n, %)	No	160 (24.32 %)
	Yes	498 (75.68 %)
No of drugs	Mean ± SD	3.32 ± 2.43
	Median (min–max)	3.00 (0.00–13.00)
ECOG performance status	Mean ± SD	0.52 ± 0.72
	Median (min–max)	0.00 (0.00–4.00)
Caregiver (n, %)	No	193 (29.33 %)
	Yes	465 (70.67 %)
15-item Geriatric Depression Scale (n, %)	≤ 5	497 (75.53 %)
	> 5	161 (24.47 %)
Geriatric syndromes (n, %)	No	609 (92.55 %)
	Yes	49 (7.45 %)
Tumor site (n, %)	Breast	306 (46.50 %)
	Colorectal	140 (21.28 %)
	Lung	42 (6.38 %)
	Prostate	36 (5.47 %)
	Other genitourinary	33 (5.02 %)
	Other	101 (15.35 %)

BMI body mass index, ADL activities of daily living, IADL instrumental activities of daily living, CIRS Cumulative Illness Rating Scale, MMSE mini-mental state examination, ECOG Eastern Cooperative Oncology Group