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Table 1 Baseline characteristics of the study population

From: Status of lipid and lipoprotein in female breast cancer patients at initial diagnosis and during chemotherapy

Characteristics Breast cancer(n = 1054) Control group(n = 2483) P-value
Age, years(Mean ± SD) 49.93 ± 10.43 50.16 ± 12.07 0.569
Body mass index (BMI), kg/m2(Mean ± SD) 23.44 ± 3.16 22.86 ± 3.09 < 0.001
Underweight (BMI < 18.5)(n,%) 53(5.03) 124(4.99) 0.004
Normal (18.5 ≤ BMI ≤ 25)(n,%) 710(67.36) 1802(72.57)
Preobese (25 ≤ BMI ≤ 30)(n,%) 253(24.00) 503(20.26)
Obesity (BMI ≥ 30)(n,%) 38(3.61) 54(2.17)
Stage (n,%)  
I 311(29.51)
II 456(43.26)
III 214(20.30)
IV 4(0.38)
Missing 69(6.54)