Retrospective Cohort Study
Copyright ©The Author(s) 2018.
World J Gastroenterol. Feb 28, 2018; 24(8): 917-928
Published online Feb 28, 2018. doi: 10.3748/wjg.v24.i8.917
Table 1 Baseline characteristics and renal outcome of the untreated hepatitis B virus-infected and hepatitis B virus-uninfected chronic kidney disease patients (n = 103002), 1997-2012
VariableOverall CKD patients (n = 103002)
Propensity score-matched CKD patients (n = 14580)
Untreated (n = 2916)Uninfected (n = 100086)P valueUntreated (n = 2916)Uninfected (n = 11664)P value
Sex< 0.00010.45
Men1713 (58.7)51592 (51.6)1713 (58.7)6762 (58.0)
Women1203 (41.3)48494 (48.4)1203 (41.3)4902 (42.0)
Age (yr, mean ± SD)48.1 ± 14.456.3 ± 17.4< 0.000148.1 ± 14.447.7 ± 15.90.21
Comorbidity
Diabetes749 (25.7)33023 (33.0)< 0.0001749 (25.7)3049 (26.1)0.62
Hypertension884 (30.3)45139 (45.1)< 0.0001884 (30.3)3420 (29.3)0.29
Coronary heart disease316 (10.8)18668 (18.7)< 0.0001316 (10.8)1152 (9.9)0.12
Hyperlipidemia695 (23.8)29595 (29.6)< 0.0001695 (23.8)2851 (24.4)0.49
Cirrhosis139 (4.8)1528 (1.5)< 0.0001139 (4.8)472 (4.1)0.08
Urbanization level0.00030.47
Urban892 (30.6)27951 (27.9)892 (30.6)3595 (30.8)
Suburban1351 (46.3)46163 (46.1)1351 (46.3)5498 (47.2)
Rural673 (23.1)25972 (26.0)673 (23.1)2571 (22.0)
Enrolee category< 0.00010.011
1 + 21122 (38.5)29935 (29.9)1122 (38.5)4680 (40.1)
31278 (43.8)47825 (47.8)1278 (43.8)4760 (40.8)
4516 (17.7)22326 (22.3)516 (17.7)2224 (19.1)
No. of medical visits (mean ± SD)26.1 ± 20.829.0 ± 22.8< 0.000126.1 ± 20.825.7 ± 22.50.31
Charlson comorbidity index score (mean ± SD)1.6 ± 1.91.9 ± 2.3< 0.00011.6 ± 1.91.5 ± 2.10.06
Propensity score (mean ± SD)0.4 ± 0.20.3 ± 0.2< 0.00010.4 ± 0.20.4 ± 0.21.00
End-stage renal disease
Follow-up year (mean ± SD)8.9 ± 3.96.9 ± 4.5< 0.00018.9 ± 3.97.4 ± 4.5< 0.0001
Total follow-up (person-year)26098689592< 0.00012609886780< 0.0001
Event197 (6.8)4076 (4.1)< 0.0001197 (6.8)414 (3.6)< 0.0001