Incidence, prevalence, and comorbidities of chronic pancreatitis: A 7-year population-based study

Table 2 Demographics of chronic pancreatitis patients with a first diagnosis by calendar year

	2015	2016	2017	2018	2019	2020	2021	P value
Electronic records, n	3739	5760	7688	9488	9865	10383	11009	< 0.001
New case, n	3088	4334	5299	5945	5987	6475	6962	< 0.001
Mean hospitalizations per patient, n	1.21	1.16	1.19	1.20	1.17	1.16	1.15	0.097
Sex, %
Male	62.01	59.23	60.52	59.73	60.23	62.63	62.90	0.282
Female	37.99	40.77	39.48	40.27	39.77	37.37	37.10
Age, yr, mean ± SD	57.48 ± 15.78	58.01 ± 15.31	58.28 ± 15.59	58.84 ± 15.81	58.27 ± 15.77	57.52 ± 15.99	56.57 ± 16.57	0.387
Male	55.87 ± 15.35	56.58 ± 15.19	56.85 ± 15.17	57.37 ± 15.62	56.74 ± 15.38	56.10 ± 15.58	54.98 ± 16.41	0.415
Female	60.11 ± 16.12	60.09 ± 15.25	60.48 ± 15.96	61.01 ± 15.86	60.60 ± 16.06	59.88 ± 16.38	59.27 ± 16.51	0.389
Age group, %
0-14	0.39	0.35	0.51	0.64	0.33	0.34	0.39	0.902
15-64	64.57	63.99	63.37	60.52	61.78	63.83	64.97	0.820
≥ 65	35.04	35.65	36.12	38.84	37.88	35.83	34.65	0.807
Ethnicity, %
Han	94.36	94.78	95.32	95.31	94.27	94.18	95.17	0.722
Yi	1.33	1.80	1.91	1.55	2.04	2.12	2.08	0.515
Zang	1.69	2.03	1.83	2.27	2.24	2.30	1.74	0.923
Qiang	0.36	0.39	0.47	0.37	0.45	0.83	0.43	0.646
Other	2.27	0.99	0.47	0.50	1.00	0.57	0.57	0.007