Survivability of patients admitted for stroke in a primary stroke center, Penang, Malaysia: a retrospective 5-year study

Table 1 Survivability of post-stroke patients based on risk factors hospitalized at Hospital Seberang Jaya using Kaplan-Meier analysis (n = 185)

Variables		Number of	Number of	Survivability (%)					p-value^a
		Patients, n	Events,	2 days	4 days	6 days	8 days	10 days
		Patients, n	n	2 days	4 days	6 days	8 days	10 days
Overall Survivability		185	25	94.7	88.0	76.4	63.1	50.5
Age category									0.905
	≤ 61 years	95	13	94.4	87.7	75.6	61.9	51.6
	≥ 62 years	90	12	96.7	95.0	88.3	69.6	52.2
Gender									0.895
	Male	92	15	94.0	86.1	69.1	62.2	46.6
	Female	68	13	96.4	91.8	78.7	65.6	32.8
Ethnicity									0.750
	Malay	87	9	91.8	87.0	87.0	65.2	65.2
	Chinese	64	10	89.9	85.1	61.3	49.0	0.0
	Indian	25	3	75.0	75.0	75.0	50.0	0.0
	Others	9	3	87.5	87.5	87.5	87.5	43.0
Smoking status									0.124
	No	137	23	93.0	86.9	76.8	61.7	48.0
	Yes	48	2	91.7	91.7	68.8	68.8	68.8
Stroke category									< 0.001*
	Ischemic stroke	171	14	96.9	94.6	86.6	69.6	60.9
	Hemorrhagic stroke	14	11	70.7	47.1	28.3	28.3	14.1
Stroke episode									< 0.001*
	First	137	9	96.0	93.7	85.9	76.3	61.1
	Recurrent	48	16	91.1	79.5	63.6	49.5	39.6
Number of comorbidities									0.136
	≤ 2comorbidities	107	10	96.5	93.7	93.7	75.0	53.5
	≥ 3comorbidities	78	15	92.5	82.7	61.9	53.1	26.5
Number of medications									0.118
	≤ 10medications	103	10	94.2	83.7	73.2	73.2	0.0
	≥ 11medications	82	15	95.6	90.6	79.0	68.5	60.8
Anti-platelets									0.014*
	No	29	17	82.6	67.6	53.8	48.4	41.5
	Yes	156	8	99.4	91.4	83.1	69.3	46.2
Statins									< 0.001*
	No	33	18	84.0	67.4	49.1	35.1	28.1
	Yes	152	7	97.1	92.5	85.9	85.9	68.7
Proton pump inhibitors									0.863
	No	49	5	93.9	82.1	82.1	41.1	41.1
	Yes	136	20	94.9	85.8	74.8	65.1	40.5
Anti-diabetic									0.266
	No	112	18	93.6	85.6	70.3	57.5	41.1
	Yes	73	7	96.4	91.8	71.4	71.4	35.7
Anti-hypertensive									0.046*
	No	127	20	94.2	83.6	71.3	55.1	45.9
	Yes	58	5	95.9	87.2	87.2	87.2	65.4
Anti-infective									0.005*
	No	150	5	97.5	89.3	89.3	59.6	59.6
	Yes	35	20	85.7	73.0	61.9	53.1	42.5

ISSN: 2050-6511