Table 3.

Comparison of warfarin dosage between OSAHS and non-OSAHS

Warfarin dose	Mean (CI)		P
	OSAHS	NonOSAHS
Needed dose*	4.73 (4.19–5.28)	3.61 (3.31–3.90)	<0.001
Dose in model 1	3.71 (3.38–4.04)	4.52 (4.03–5.01)	0.012
Dose in model 2	4.64 (4.20–5.08)	3.65 (3.34–3.96)	0.001
Dose in model 3	4.45 (3.97–4.93)	3.75 (3.43–4.06)	0.024

*Warfarin dose needed to maintain INR between 2 and 3. Model 1 adjusts body weight; Model 2 adjusts achieved INR value; Model 3 adjusts both body weight and achieved INR value. CI: Confidence interval; INR: International normalized ratio.