Table 1 Univariate and multivariate analysis of the survival of CCA patients.

From: Discovery of novel serum peptide biomarkers for cholangiocarcinoma recurrence through MALDI-TOF MS and LC–MS/MS peptidome analysis

Variable

N = 81

(%)

MST (month) (95%CI)

Univariate

Multivariate

HR (95%)

p-value

HR (95%)

p-value

Age (Median)

 <63

45 (55%)

19.70 (13.64–25.76)

1

 

-

 

 ≥63

36 (45%)

19.70 (14.11–25.29)

1.27 (0.77–2.09)

0.355

-

-

Gender

 Male

50 (62%)

26.80 (13.83–39.77)

1

 

-

 

 Female

31 (38%)

18.20 (15.23–21.17)

1.65 (0.963–2.81)

0.065

-

-

Tumor location

 iCCA

49 (60%)

19.70 (16.37–23.03)

1

 

-

 

 pCCA

28 (35%)

21.60 (10.13–33.07)

0.66 (0.38–1.16)

0.149

-

-

 dCCA

4 (5%)

5.20 (0-44.60)

1.203 (0.426–3.39)

0.727

-

-

Surgical margin (R)

 R0

46 (57%)

22.90(11.24–34.56)

1

 

1

 

 R1

35 (43%)

15.90 (12.47–19.33)

1.70 (1.02–2.82)

0.039*

1.42 (0.85–2.38)

0.185

Histological differentiation

 Well

65 (80%)

22.10 (7.200–27.00)

1

 

1

 

 Moderately/Poorly

16 (20%)

16.60 (8.76–24.44)

1.89 (1.045-3.40)

0.031*

1.83 (1.01–3.34)

0.047

Lymph node status (N)

 N0

47 (58%)

22.9 (14.57–31.23)

1

 

-

 

 N1

34 (42%)

15.9 (13.59–18.22)

1.55 (0.93–2.57)

0.089

-

-

TNM stage

 Early (0-II)

21 (26%)

35.8 (2.70–74.30)

1

 

1

 

 Late (III-IV)

60 (74%)

16.6 (13.17–20.03)

2.21 (1.19–4.11)

0.01*

1.61 (0.85–3.04)

0.142

Recurrent status

 Early

34 (42%)

9 (6.68–11.15)

7.06 (3.96–12.58)

< 0.001*

6.36 (3.51–11.35)

< 0.001*

 Late

47 (58%)

32.8 (19.77–45.80)

1

 

1

 
  1. n, Number; CI, Confidence interval; 5-YSR, 5-year survival rate; MST, median survival time; HR, hazard ratio; dCCA, distal cholangiocarcinoma; iCCA, Intrahepatic cholangiocarcinoma; pCCA, perihilar cholangiocarcinoma; TNM, tumor node metastasis from 8th AJCC/UICC staging system.
  2. * Indicates a p-value < 0.05 (statically significant).