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Table 3 Annual outpatient and inpatient care utilization, % or mean ± standard deviation

From: Direct medical costs of end-stage kidney disease and renal replacement therapy: a cohort study in Guangzhou City, southern China

 HDPDDifference (99.17%CI)P valueKT (first year)KT(second year)Difference (99.17%CI)P value
No. Patients37651237  11741  
Outpatient services
 Annual outpatient visits218.6 ± 22.712.6 ± 5.3205.9 (194.1–217.6)0.000a21.2 ± 9.816.2 ± 4.05.0 (2.0–7.9)0.000a
 Hospital level: Primary (%)0.50.0\\0.00.0\\
 Hospital level: Secondary (%)20.63.55.2 (3.5–7.8)0.000b0.00.0\\
 Hospital level: Tertiary (%)78.996.528.7 (26.9–30.6)0.000b100.0100.0\\
Inpatient services
 Patients having hospitalization (%)26.823.324.7 (23.1–26.4)0.000b100.0\\\
 Annual inpatient admissions2.0 ± 1.91.6 ± 0.90.4 (0.2–0.6)0.000a3.4 ± 4.5\\\
 Length of stay per admission (days)12.0 ± 10.214.2 ± 11.5−2.2 (−4.3 - -0.3)0.003a28.1 ± 14.0\\\
 Readmission in 15 days (%)3.93.50.6 (−2.8–3.9)0.642b5.1\\\
 Hospital level: Primary (%)0.40.0\ 0.0\\\
 Hospital level: Secondary (%)21.35.66.9 (3.5–13.0)0.000b0.0\\\
Hospital level: Tertiary (%)78.394.425.6 (22.2–29.3)0.000b100.0\\\
  1. HD Haemodialysis, PD Peritoneal Dialysis, KT Kidney Transplantation
  2. ap-values were based on the independent two-sample T-test; bp-values were based on the two-proportion Z-test. A Bonferroni adjustment was applied: the adjusted alpha level was 0.0083 (alpha = 0.05/6) and 99.17% Confidence Intervals (CI) were presented
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