Table 2. Numeric variables.

Numeric variables	Mean	Range
Medical expenditure (Yuan)	1,982.03	0–84,384.78
Age	70.58	23–91
Analgesic dosage (mg)	26.64	0–360
NRS	3.78	0–9
QOL	49.84	0–100
KPS	33.54	0–60

NRS, Numeric Rating Scale; QOL, quality of life; KPS, Karnofsky Performance Scale.