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Table 1 Patient characteristics

From: Analysis of treatment outcomes according to the cycles of adjuvant chemotherapy in gastric cancer: a retrospective nationwide cohort study

Clinical characteristics

Total (N = 20,552)

S-1 (N = 13,614)

Capecitabine/oxaliplatin (N = 6,938)

P Value

Age, years, mean (SD)

61.4 (12.0)

63.3 (12.1)

57.6 (11.0)

 < 0.0001

Age group, years, N (%)

 < 30

101 (0.5)

53 (0.4)

48 (0.7)

 < 0.0001

30–39

826 (4.0)

447 (3.3)

379 (5.5)

40–49

2,541 (12.4)

1,417 (10.4)

1,124 (16.2)

50–59

5,231 (25.5)

2,980 (21.9)

2,251 (32.4)

60–69

5,866 (28.5)

3,759 (27.6)

2,107 (30.4)

70–79

5,126 (24.9)

4,166 (30.6)

960 (13.8)

 ≥ 80

861 (4.2)

792 (5.8)

69 (1.0)

Gender, N (%)

Male

14,063 (68.4)

9,226 (67.8)

4,837 (69.7)

0.0047

Female

6,489 (31.6)

4,388 (32.2)

2,101 (30.3)

Comorbidities, N (%)

DM

4,772 (23.2)

3,360 (24.7)

1,412 (20.4)

 < 0.0001

Hypertension

8,133 (39.6)

5,803 (42.6)

2,330 (33.6)

 < 0.0001

Dyslipidemia

2,143 (10.4)

1,561 (11.5)

582 (8.4)

 < 0.0001

COPD

6,712 (32.7)

4,535 (33.3)

2,177 (31.4)

0.0055

  1. Abbreviations: SD Standard deviation, DM Diabetes mellitus, COPD Chronic obstructive pulmonary disease