Table 1 Baseline characteristics... | American Society of Hematology

Table 1

Baseline characteristics

Characteristic	Stable group, n = 2504	Comparator group, n = 3569	P
Mean age,* y (SD)	72.3 (10.9)	68.8 (13.1)	< .001
Age older than 70 y, %	63.0	51.5	< .001
Male, %	52.0	51.5	.688
INR target, %
2.0	3.9	3.3	.167
2.5	87.0	79.7	< .001
3.0 or more	9.1	17.0	< .001
Primary indication for anticoagulation therapy, %
Atrial fibrillation	49.9	43.4	< .001
Venous thromboembolism	25.6	25.8	.856
Heart valve disorder	8.0	12.7	< .001
Other	16.5	18.1	.107
Risk factors, %
Diabetes mellitus†	1.6	3.5	< .001
Hypertension†	18.2	20.2	.046
Heart failure†	5.9	8.7	< .001
Prior venous thrombosis†	2.5	3.7	.012
Prior hemorrhage†	1.2	2.0	.021
Prior stroke†	0.0	0.1	.273
Cancer†	0.2	0.6	.060
Estrogen therapy‡	7.8	10.7	< .001
Mean chronic disease score (SD)	6.5 (2.6)	6.7 (2.7)	< .001
Median duration of warfarin therapy, d§ (IQR)	1166 (554, 2051)	755 (725, 1753)	.743

Characteristic	Stable group, n = 2504	Comparator group, n = 3569	P
Mean age,* y (SD)	72.3 (10.9)	68.8 (13.1)	< .001
Age older than 70 y, %	63.0	51.5	< .001
Male, %	52.0	51.5	.688
INR target, %
2.0	3.9	3.3	.167
2.5	87.0	79.7	< .001
3.0 or more	9.1	17.0	< .001
Primary indication for anticoagulation therapy, %
Atrial fibrillation	49.9	43.4	< .001
Venous thromboembolism	25.6	25.8	.856
Heart valve disorder	8.0	12.7	< .001
Other	16.5	18.1	.107
Risk factors, %
Diabetes mellitus†	1.6	3.5	< .001
Hypertension†	18.2	20.2	.046
Heart failure†	5.9	8.7	< .001
Prior venous thrombosis†	2.5	3.7	.012
Prior hemorrhage†	1.2	2.0	.021
Prior stroke†	0.0	0.1	.273
Cancer†	0.2	0.6	.060
Estrogen therapy‡	7.8	10.7	< .001
Mean chronic disease score (SD)	6.5 (2.6)	6.7 (2.7)	< .001
Median duration of warfarin therapy, d§ (IQR)	1166 (554, 2051)	755 (725, 1753)	.743

INR indicates international normalized ratio; IQR, interquartile range; and SD, standard deviation.

As of date of index INR measurement.

During the 180 days before the index INR.

During the 90 days before the index INR.

From initiation of warfarin therapy.