Table 1 Demographic data

 Male (%)

92 (64.3)

 Age (years)

67.2 ± 10.6

 Height (cm)

160.7 ± 9.3

 Body weight (kg)

53.5 ± 11.3

 BMI (kg/m²)

20.7 ± 3.8

 BSA (m²)

1.54 ± 0.18

 WBC (×10²/μL)

53.0 [44.0–70.0]

 ANC (×10²/μL)

35.0 [23.0–54.0]

 ALC (×10²/μL)

25.3 [14.8–33.0]

 Hb (g/dL)

11.9 ± 1.5

 Plt (×10⁴/μL)

21.4 [17.7–26.5]

 AST (IU/L)

22.0 [18.0–31.0]

 ALT (IU/L)

16.0 [11.0–24.0]

 Total bilirubin (mg/dL)

0.6 [0.5–0.9]

 Serum albumin (g/dL)

3.8 [3.5–4.1]

 Serum creatinine (mg/dL)

0.7 [0.6–0.8]

 eGFR^a (mL/min/1.73 m²)

78.1 ± 21.5

 Gastrointestinal cancer (%)

110 (76.9)

 Lung cancer (%)

9 (6.3)

 Breast cancer (%)

9 (6.3)

 Other cancers (%)

15 (10.5)

 Clinical cancer stage ≥III (%)

96 (67.1)

 RDI^b (%)

78.8 [70.7–85.8]

 RDI^b > 70% (%)

113 (79.0)

 RDI^b > 75% (%)

85 (59.4)

 RDI^b > 80% (%)

68 (47.6)

 Presence of combination chemotherapy (%)

51 (35.7)

 Prior history of cytotoxic chemotherapy (%)

52 (36.4)