Epidemiologic risk factors for patients admitted with chronic pancreatitis and pancreatic ductal adenocarcinoma in the United States

Table 3 Demographics, ethno-racial, socioeconomic, and hospital factors for patients hospitalized with chronic pancreatitis and pancreatic ductal adenocarcinoma

Variable	CP without PDAC (n = 368385)	CP with PDAC (n = 2890)	P value
Race			< 0.01
Whites	64.75%	74.22%
Blacks	22.4%	16.76%
Hispanics	8.43%	4.97%
Asians or Pacific Islanders	1.31%	1.29%
Native Americans	0.87%	0.37%
Other	2.25%	2.39%
Gender
Women	44.27%	40.31%	0.07
Men	55.73%	59.69%
Age
Mean age, years	52.61	66.32	< 0.05
Age 18-39 yr	21.78%	19%
Age 40-59 yr	50.02%	26.99%
Age 60-79 yr	23.97%	60.03%
Age > 80 yr	4.23%	11.07%
Insurance provider			< 0.01
Medicare	40.04%	60.64%
Medicaid	30.44%	10.73%
Private	22.5%	26.48%
Uninsured	7.03%	2.15%
Charlson comorbidity index			< 0.01
0	24.28%	0
1	26.17%	0
2	17.35%	19.38%
3 or more	32.2%	80.62%
Median income in patient zip code			< 0.01
$1–$38999	36.24%	28.22%
$39000–$47999	26.1%	26.81%
$48000–$62999	21.78%	21.34%
$63000	15.88%	23.63%
Hospital region			0.68
Northwest	17.53%	19.38%
Midwest	24.64%	23.53%
South	40.25%	38.24%
West	17.59%	18.86%
Hospital location			< 0.01
Rural	8.34%	1.56%
Urban	91.66%	98.44%
Hospital size			< 0.01
Small	19.08%	8.65%
Medium	28.43%	16.78%
Large	52.48%	74.57%
Type of hospital
Teaching	69.41%	86.16%	< 0.01
Non-teaching	30.59%	13.84%

CP: Chronic pancreatitis; PDAC: Pancreatic ductal adenocarcinoma.