Table 3.

Correlation and regression analysis of various parameters with perfusion deficit

Parameters	Mean±SD	Pearson’s correlation coefficient	P	Beta coefficient	P	Confidence interval
						Upper bound	Lower bound
Age	58.09±12.05	−0.243	0.045	−0.070	0.374	−0.229	0.089
MAP	123.14±11.39	−0.087	0.289	−0.299	0.353	−0.950	0.351
SBP	168.60±15.30	0.033	0.417	0.087	0.464	−0.153	0.321
DBP	100.84±10.35	−0.188	0.114	0.158	0.532	−0.355	0.672
Hospital stay	12.06±4.84	0.205	0.094	0.281	0.248	−0.207	0.770
GCS score at admission	13.06±2.36	−0.388	0.005	−0.646	0.451	−2.379	1.087
GCS score at discharge	13.86±1.76	−0.267	0.042	0.488	0.680	−1.916	2.893
NIHSS score at admission	10.88±5.23	0.328	0.016	0.098	0.810	−0.732	0.929
NIHSS score at discharge	8.09±4.59	0.353	0.010	0.153	0.753	−0.833	1.139
ICH score at admission	0.81±0.85	0.314	0.020	1.133	0.706	−4.972	7.237
ICH score at discharge	0.72±0.82	0.213	0.085	−2.231	0.506	−9.018	4.557
Time to CT scan	20.97±30.99	0.191	0.110	−0.005	0.863	−0.061	0.052
ICH volume	20.36±18.41	0.249	0.054	−0.029	0.641	−0.156	0.098
Time to SPECT	5.04±1.75	0.302	0.024	1.079	0.049	−0.19	2.178
I/C ratio	0.86±0.07	−0.861	0.0001	−83.943	0.001	−109.846	−58.039

MAP: Mean arterial pressure; SBP: Systolic blood pressure; DBP: Diastolic blood pressure; GCS: Glasgow Coma Scale; NIHSS: National Institutes of Health Stroke Scale; ICH: Intra cerebral haemorrhage; CT: Computed tomography; SPECT: Single-photon emission CT; SD: Standard deviation; I/C: Ipsilateral/contralateral