Table 2.

Proportional subdistribution hazard models of probabilities of cancer-specific mortality for patients with mPDAC.

Characteristic	Coefficient	sdHR (95% CI)	p Value
Female	−0.03	0.98 (0.93–1.02)	0.28
Age (years)
56–65	0.08	1.01 (1.01–1.15)	0.018
66–75	0.17	1.14 (1.07–1.21)	<0.001
76+	−0.02	1.22 (1.13–1.32)	<0.001
Race/ethnicity
Black	−0.07	0.93 (0.87–0.99)	0.042
Others	−0.06	0.94 (0.86–1.02)	0.14
Marital status
Married	0.01	1.01 (0.94–1.08)	0.85
Divorced	0.01	1.07 (0.97–1.17)	0.17
Widowed	0.10	1.10 (0.99–1.20)	0.05
Others	−0.06	1.00 (0.84–1.01)	0.34
Tumor location
Head	−0.04	0.96 (0.92–1.01)	0.13
Others	−0.04	0.96 (0.90–1.02)	0.24
T stage
T2	0.21	1.23 (1.01–1.41)	0.003
T3	0.12	1.13 (0.98–1.30)	0.08
T4	0.11	1.12 (0.97–1.29)	0.12
N1	0.02	1.02 (0.98–1.07)	0.31
Tumor size(mm)
31–40	0.05	1.05 (1.00–1.12)	0.08
41–50	0.06	1.06 (1.00–1.13)	0.07
51–60	0.16	1.17 (1.08–1.26)	<0.001
>60	0.15	1.16 (1.07–1.25)	<0.001
Chemotherapy	−0.61	0.54 (0.51–0.57)	<0.001
Radiation therapy	−0.11	0.89 (0.83–0.97)	0.005
Bone metastasis	0.13	1.14 (1.04–1.25)	0.007
Brain metastasis	0.19	1.21 (0.82–1.78)	0.35
Liver metastasis	0.21	1.24 (1.17–1.30)	<0.001
Lung metastasis	0.05	1.05 (1.00–1.11)	0.13
Surgery	−0.43	0.65 (0.57–0.75)	<0.001

mPDAC – metastatic pancreatic duct adenocarcinoma; sdHR – subdistribution hazard ratios.