Safety of alteplase intravenous thrombolysis and influencing factors of clinical outcome in elderly patients with acute ischemic stroke

Table 1 Comparison of short-term prognosis among patients in each group(n,%)

Groups	Improvement	No change	Worsen	Improvement rate(%)
Elderly thrombolytic group(n = 55)	21	22	12	38.18
Elderly non-thrombolytic group(n = 89)	10	57	22	11.2*
Non-elderly thrombolytic group(n = 166)	93	55	18	56.02*#
χ² value				48.517
P value				0.000

Note: Compared with Elderly thrombolytic group, ^*P < 0.05; Compared with Elderly non-thrombolytic group, ^#P < 0.05

ISSN: 1471-2377