Table 4: Mean and SD of NIHSS in experimental and control groups before and after receiving i.v. rt-PA within 24 hours by independent sample t-test analysis.

ParametersExperimental group (n=38)Control group
(n=38)
t-values
(t)
MeanStandard deviation (SD)MeanStandard deviation (SD)p-value (P)

NIHSS before patients received i.v. rt-PA13.21056.2261814.18426.68138.657.513

NIHSS after patients received i.v. rt-PA6.65796.3937312.39477.667203.542.001