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. Author manuscript; available in PMC: 2021 Mar 20.
Published in final edited form as: Ann Intern Med. 2020 Mar 24;172(8):523–532. doi: 10.7326/M19-2945

Appendix Table 3.

Baseline Clinical Characteristics of Trial Participants With and Without Anemia at Study Entry

Characteristic No Anemia at Baseline (n = 8683) Anemia at Baseline (n = 1303)*
Median age (IQR), y   61.0 (54.0-67.0)   65.0 (57.0-73.0)
Female, n (%) 2156 (24.8)   414 (31.8)
Median hemoglobin level(IQR), g/L   145 (137-153)   119 (113-126)
Median BMI (IQR), kg/m2  30.0 (26.7-33.8)  29.0 (25.4-33.7)
Alcohol use (>1 drink per day), n (%)   363 (4.18)  32 (2.46)
Hypertension, n (%) 6856 (79.0) 1094 (84.0)
Type 2 diabetes mellitus, n (%) 3326 (38.3)   671 (51.5)
Median hsCRP level (IQR), mg/L  4.05 (2.75-6.60) 5.65 (3.20-10.6)
Median eGFR (IQR), mL/min/1.73 m2  79.0 (66.0-94.0)  70.0 (54.0-87.0)
Heart failure, n (%) 1776 (20.5)   383 (29.4)

BMI = body mass index; eGFR = estimated glomerular filtration rate; hsCRP = high-sensitivity C-reactive protein; IQR = interquartile range.

*

P < 0.050 for the comparison of participants with vs. those without anemia at baseline.