Clinical Outcomes of Telemonitoring for Patients on Warfarin after Discharge from Hospital

Table 1

Demographic characteristics.

Characteristics	Telephone (n=25)	Usual care (n=25)	p-value
Gender, female	18 (72%)	12 (48%)	0.083
Age, years	56.6+11.9	58.7+10.0	0.506
Experience of using warfarin
Naïve	13 (52%)	13 (52%)	1.00
<3 month experienced	5 (20%)	3 (12%)	0.440
>3 month experienced	7 (28%)	9 (36%)	0.544
Indication
Valvular heart disease	6 (24%)	8 (32%)	0.529
Mechanical prosthetic valves	2 (8%)	1 (4%)	0.552
Atrial fibrillation	14 (56%)	17 (68%)	0.382
Deep vein thrombosis	8 (32%)	6 (24%)	0.529
Pulmonary embolism	0 (0%)	1 (4%)	0.312
Comorbidities
Diabetes	4 (16%)	5 (20%)	0.713
Hypertension	9 (36%)	15 (60%)	0.089
Dyslipidemia	7 (28%)	8 (32%)	0.758
Ischemic heart disease	3 (12%)	1 (4%)	0.297
Heart failure	5 (20%)	6 (24%)	0.123
Chronic kidney disease	5 (20%)	6 (24%)	0.733
Others	3 (12%)	2 (8%)	0.637
Warfarin dosing on discharge; (mean+SD)	18.2±6.7	18.1±4.6	0.922
Target INR
2.0-3.0	23 (92%)	24 (96%)	0.552
2.5-3.5	2 (8%)	1 (4%)	0.552

INR: international normalized ratio.