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 2 Baseline characteristics and renal outcome of the treated and untreated hepatitis B virus-infected chronic kidney disease patients (n = 3358), 1997-2012
VariableOverall HBV patients (n = 3358)
Propensity score-matched HBV patients (n = 1768)
Treated (n = 442)Untreated (n = 2916)P valueTreated (n = 442)Untreated (n = 1326)P value
Sex< 0.00010.76
Men319 (72.2)1713 (58.7)319 (72.2)967 (72.9)
Women123 (27.8)1203 (41.3)123 (27.8)359 (27.1)
Age (yr, mean ± SD)51.0 ± 13.948.1 ± 14.4< 0.000151.0 ± 13.951.6 ± 14.70.49
Interval to start nucleos(t)ide analogue therapy (yr, mean ± SD)1.2 ± 1.9-1.2 ± 1.9-
Nucleos(t)ide analogue therapy duration (yr, mean ± SD)0.8 ± 0.8-0.8 ± 0.8-
Comorbidity
Diabetes141 (31.9)749 (25.7)0.006141 (31.9)424 (32.0)0.98
Hypertension150 (33.9)884 (30.3)0.12150 (33.9)457 (34.5)0.84
Coronary heart disease59 (13.4)316 (10.8)0.1259 (13.4)198 (14.9)0.41
Hyperlipidemia108 (24.4)695 (23.8)0.78108 (24.4)334 (25.2)0.75
Cirrhosis59 (13.4)139 (4.8)< 0.000159 (13.4)135 (10.2)0.07
Urbanization level0.450.88
Urban129 (29.2)892 (30.6)129 (29.2)381 (28.7)
Suburban199 (45.0)1351 (46.3)199 (45.0)615 (46.4)
Rural114 (25.8)673 (23.1)114 (25.8)330 (24.9)
Enrolee category0.320.61
1 + 2161 (36.4)1122 (38.5)161 (36.4)460 (34.7)
3190 (43.0)1278 (43.8)190 (43.0)606 (45.7)
491 (20.6)516 (17.7)91 (20.6)260 (19.6)
No. of medical visits (mean ± SD)26.5 ± 18.226.1 ± 20.80.7526.5 ± 18.226.3 ± 19.30.90
Charlson comorbidity index score (mean ± SD)1.9 ± 2.11.6 ± 1.9< 0.00011.9 ± 2.11.9 ± 2.20.79
Propensity score (mean ± SD)1.6 ± 0.71.3 ± 0.6< 0.00011.6 ± 0.71.5 ± 0.70.51
End-stage renal disease
Follow-up year (mean ± SD)7.6 ± 4.38.9 ± 3.9< 0.00017.6 ± 4.38.5 ± 4.0< 0.0001
Total follow-up (person-year)335926101< 0.0001335922478< 0.0001
Event5 (1.1)197 (6.8)< 0.00015 (1.1)108 (8.1)< 0.0001