Table 1

The characteristic of patients with CKD with different HF subtypes

Before IPTWAfter IPTW
All patientsNon-HFHFpEFHFmrEFHFrEFSMDNon-HFHFpEFHFmrEFHFrEFSMD
No. of patientsN=10 904N=5414N=3773N=780N=937N=5414N=3773N=780N=937
Age, years75.1 (62.6, 84.6)67.3 (58.2, 78.6)81.5 (71.6, 87.3)81.6 (70.3, 87.0)81.1 (68.6, 86.8)0.42374.5 (62.2, 84.2)75.9 (63.5, 84.9)76.5 (63.3, 84.6)78.0 (65.2, 85.3)0.084
Male sex54.3%49.1%53.7%69.5%74.0%0.31854.5%54.1%57.8%61.0%0.080
HbA1c, % (n=)6.8 (6.0, 8.5)6.7 (6.0, 8.2)6.7 (6.0, 8.7)6.8 (5.9, 8.4)7.0 (6.1, 9.0)0.0576.8 (6.0, 8.3)6.7 (6.0, 8.4)6.7 (5.9, 8.2)7.0 (6.1, 8.9)0.050
eGFR, mL/min/1.73 m258.7 (39.3, 80.5)66.1 (44.6, 85.8)56.0 (37.5, 76.6)48.5 (30.7, 69.4)47.5(31.0, 69.0)0.29859.6 (40.8, 81.3)58.9 (39.9, 80.2)57.7 (39.4, 77.8)54.7 (37.0, 75.9)0.097
>9013.4%18.9%8.9%7.1%5.9%14.0%13.7%11.6%8.5%
 60–8934.8%37.1%35.2%26.5%27.1%35.4%34.6%35.6%35.3%
 30–5935.5%31.0%38.6%42.3%43.0%35.4%36.1%37.3%38.0%
 15–299.6%7.2%10.5%13.8%16.2%8.8%9.2%9.4%11.2%
 <156.7%5.9%6.9%10.3%7.8%6.4%6.4%6.2%6.9%
UPCR, mg/mg0.31 (0.13, 0.95)0.30 (0.13, 0.84)0.31 (0.13, 1.06)0.36 (0.15, 1.30)0.34 (0.14, 1.13)0.0250.31 (0.13, 0.91)0.30 (0.14, 0.89)0.31 (0.14, 0.94)0.31 (0.13, 0.84)0.041
UACR, mg/mg0.04 (0.01, 0.24)0.03 (0.01, 0.17)0.05 (0.01, 0.29)0.05 (0.01, 0.38)0.07 (0.01, 0.42)0.0830.04 (0.01, 0.24)0.04 (0.01, 0.22)0.04 (0.01, 0.23)0.04 (0.01, 0.23)0.025
Comorbidities
Hypertension64.5%57.6%71.7%73.2%68.1%0.17963.8%65.8%65.6%66.6%0.030
DM38.9%38.7%38.8%40.5%38.7%0.01939.1%38.1%38.8%37.8%0.016
CAD43.7%38.2%44.0%56.8%63.0%0.29742.6%43.4%46.6%48.8%0.073
Malignancy30.5%27.2%35.2%31.8%28.9%0.09730.1%31.5%29.2%28.8%0.032
Medications
CCBs44.5%42.0%50.5%45.0%34.2%0.17745.1%45.1%43.1%43.6%0.024
Beta-blockers46.7%42.6%44.8%58.8%67.4%0.30445.6%46.3%49.0%52.4%0.077
RAASi52.2%46.3%54.1%61.5%71.0%0.28152.0%52.1%55.1%58.4%0.074
Statins36.3%39.4%31.0%37.3%38.2%0.09136.8%35.2%33.7%36.3%0.036
OHAs17.9%16.5%17.8%22.9%21.7%0.09717.3%17.7%17.9%19.9%0.034
Insulins10.2%6.7%13.0%14.9%14.9%0.1439.2%10.5%10.9%11.6%0.042
  • *Values are median and IQR or %.

  • CAD, coronary artery disease; CCB, calcium channel blocker; CKD, chronic kidney disease; DM, diabetes mellitus; eGFR, estimated glomerular filtration rate; HbA1c, haemoglobin A1c; HF, heart failure; HFmrEF, heart failure with mildly reduced ejection fraction; HFpEF, heart failure with preserved ejection fraction; HFrEF, heart failure with reduced ejection fraction; IPTW, inverse probability of treatment weighting; OHA, oral hypoglycaemic agents; RAASi, renin-angiotensin-aldosterone system inhibitor; SMD, standardised mean difference; UACR, spot urine albumin-to-creatinine ratio; UPCR, spot urine protein-to-creatinine ratio.