Observational Study
Copyright ©The Author(s) 2023.
World J Gastroenterol. Aug 14, 2023; 29(30): 4671-4684
Published online Aug 14, 2023. doi: 10.3748/wjg.v29.i30.4671
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, n373957607688948898651038311009< 0.001
New case, n3088433452995945598764756962< 0.001
Mean hospitalizations per patient, n1.211.161.191.201.171.161.150.097
Sex, %
    Male62.0159.2360.5259.7360.2362.6362.900.282
    Female37.9940.7739.4840.2739.7737.3737.10
Age, yr, mean ± SD57.48 ± 15.7858.01 ± 15.3158.28 ± 15.5958.84 ± 15.8158.27 ± 15.7757.52 ± 15.9956.57 ± 16.570.387
    Male55.87 ± 15.3556.58 ± 15.1956.85 ± 15.1757.37 ± 15.6256.74 ± 15.3856.10 ± 15.5854.98 ± 16.410.415
    Female60.11 ± 16.1260.09 ± 15.2560.48 ± 15.9661.01 ± 15.8660.60 ± 16.0659.88 ± 16.3859.27 ± 16.510.389
Age group, %
    0-140.390.350.510.640.330.340.390.902
    15-6464.5763.9963.3760.5261.7863.8364.970.820
    ≥ 6535.0435.6536.1238.8437.8835.8334.650.807
Ethnicity, %
    Han94.3694.7895.3295.3194.2794.1895.170.722
    Yi1.331.801.911.552.042.122.080.515
    Zang1.692.031.832.272.242.301.740.923
    Qiang0.360.390.470.370.450.830.430.646
    Other2.270.990.470.501.000.570.570.007