Table 2. Percentage of time in a given INR range by body mass index.

INR range*	BMI <25 m2/kg (N = 254)	BMI 25 to <30 m2/kg (N = 351)	BMI ≥30 m2/kg (N = 213)	P-value
	Median percentage (interquartile range)
<2.0	19 (8–38)	13 (5–31)	18 (7.4–33)	0.012
2.0–3.0	62 (46–79)	67 (49–82)	64 (49–78)	0.045
>3.0	10 (3–20)	9 (2.5–20.5)	11 (4–22)	0.292

Abbreviations: INR = international normalized ratio; BMI = body mass index.

*Only patients with initial VKA and at least two INR measurements were considered (n = 818).