Table 1 Baseline characteristics among older adult patients with metastatic BTC before and after propensity score matching

Age, mean (SD)

76.5 (4.93)

79.7 (5.49)

0.618

< 0.001

78.2 (5.01)

78.1 (4.70)

0.032

0.856

Sex, n (%)

 Male

63 (54.3)

50 (54.9)

0.013

> 0.99

36 (56.2)

35 (54.7)

0.031

> 0.99

 Female

53 (45.7)

41 (45.1)

28 (43.8)

29 (45.3)

Body mass index, n (%)

 <19

14 (12.1)

15 (16.5)

0.126

0.422

8 (12.5)

11 (17.2)

0.132

0.62

 ≥19

102 (87.9)

76 (83.5)

56 (87.5)

53 (82.8)

Tumor Location, n (%)

 Gallbladder

45 (38.8)

27 (29.7)

0.193

0.188

24 (37.5)

21 (32.8)

0.098

0.711

 Non-Gallbladder

71 (61.2)

64 (70.3)

40 (62.5)

43 (67.2)

Barthel Index, n(%)

 ≥95

105 (90.5)

60 (65.9)

0.624

< 0.001

53 (82.8)

53 (82.8)

< 0.001

> 0.99

 ≤94

11 (9.5)

31 (34.1)

11 (17.2)

11 (17.2)

CCI, n (%)

 0

68 (58.6)

55 (60.4)

0.037

0.887

38 (59.4)

33 (51.6)

0.158

0.477

 ≥1

48 (41.4)

36 (39.6)

26 (40.6)

31 (48.4)