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. 2020 Aug 3;18:299. doi: 10.1186/s12967-020-02464-z

Table 2.

Contingency table, κ coefficient of BMI for indicating the misclassification of obesity in population sample

FM% classification
Lean Obese Total
BMI Classification NW (18.50–24.99) 45.40% (10) 9.10% (2) 54.50% (12)
PO (25.00–29.99) 0.00% (0) 27.30% (6) 27.30% (6)
OB (≥ 30.00) 0.00% (0) 18.20% (4) 18.20% (4)
Total 45.40% (10) 54.60% (12) 100.00% (22)
κ* = 0.405

All values are presented as percentage (numbers) and κ have *p values were < 0.001

FM Fat Mass, BMI Body Mass Index, NW Normal Weight, PO Pre-Obese, OB Obese