Table 2:

Effect of BP reduction on perfusion parameters

Perfusion Parameters and Region	Treatment Group		P Value
Perfusion Parameters and Region	<150 mm Hg (n = 37)	<180 mm Hg (n = 36)	P Value
Absolute ipsilateral CPP
Perihematoma	13.9 ± 5.5	14.8 ± 3.4	.38
Hemisphere	14.0 ± 5.3	15.2 ± 3.9	.27
External BZ	14.1 ± 4.6	15.8 ± 4.6 (n = 35)	.11
Internal BZ	13.5 ± 4.6 (n = 27)	16.5 ± 4.7 (n = 29)	.02^{^a}
Absolute contralateral CPP
Perihematoma	13.9 ± 5.5	14.8 ± 4.0	.43
Hemisphere	14.3 ± 5.8	15.2 ± 3.8	.45
External BZ	15.1 ± 6.5	16.0 ± 3.7 (n = 35)	.46
Internal BZ	15.0 ± 7.1 (n = 27)	16.0 ± 4.6 (n = 29)	.48
Absolute ipsilateral CVR
Perihematoma	0.32 ± 0.10	0.36 ± 0.11	.11
Hemisphere	0.29 ± 0.08	0.32 ± 0.08	.14
External BZ	0.31 ± 0.11	0.37 ± 0.12 (n = 35)	.05^{^a}
Internal BZ	0.37 ± 0.13 (n = 27)	0.44 ± 0.16 (n = 29)	.08
Absolute contralateral CVR
Perihematoma	0.28 ± 0.09	0.33 ± 0.11	.56
Hemisphere	0.28 ± 0.08	0.32 ± 0.09	.09
External BZ	0.32 ± 0.11	0.38 ± 0.12 (n = 35)	.04^{^a}
Internal BZ	0.36 ± 0.12 (n = 27)	0.40 ± 0.14 (n = 29)	.16
Relative CPP
Perihematoma	1.02 ± 0.16	1.02 ± 0.15	.96
Hemisphere	0.99 ± 0.09	1.00 ± 0.10	.75
External BZ	0.99 ± 0.19	1.00 ± 0.26 (n = 35)	.76
Internal BZ	1.01 ± 0.17 (n = 27)	1.01 ± 0.16 (n = 29)	.99
Relative CVR
Perihematoma	1.16 ± 0.23	1.11 ± 0.17	.36
Hemisphere	1.04 ± 0.10	1.02 ± 0.08	.32
External BZ	1.01 ± 0.18	1.01 ± 0.22 (n = 35)	.91
Internal BZ	1.02 ± 0.17 (n = 27)	1.04 ± 0.15 (n = 29)	.52

↵a Significant.