Table 4.

Microcirculatory parameters for men and women

	Men	Women	P
n	778	779
Oxygen saturation, %
Baseline	49 ± 11	49 ± 13	0.42
Occlusion	3 ± 5	3 ± 4	0.42
Peak	85 ± 6	88 ± 6	<0.001
RBC tissue fraction, %
Baseline	0.37 ± 0.13	0.31 ± 0.10	<0.001
Occlusion	0.50 ± 0.18	0.40 ± 0.15	<0.001
Peak	0.67 ± 0.20	0.58 ± 0.17	<0.001
Perfusion (0–1 mm/s)
Baseline, %RBC × mm/s	0.054 ± 0.020	0.048 ± 0.017	<0.001
Peak, %RBC × mm/s	0.16 ± 0.05	0.16 ± 0.05	0.16
Increase from baseline, %	221 ± 93	250 ± 96	<0.001
Perfusion (1–10 mm/s)
Baseline, %RBC × mm/s	0.049 ± 0.039	0.045 ± 0.032	0.01
Peak, %RBC × mm/s	0.26 ± 0.17	0.24 ± 0.15	0.04
Increase from baseline, %	593 ± 473	596 ± 478	0.90
Perfusion (>10 mm/s)
Baseline, %RBC × mm/s	0.041 ± 0.057	0.032 ± 0.036	<0.001
Peak, %RBC × mm/s	0.28 ± 0.22	0.21 ± 0.16	<0.001
Increase from baseline, %	1,295 ± 3,319	864 ± 1,060	0.001
Total perfusion
Baseline, %RBC × mm/s	0.14 ± 0.09	0.12 ± 0.06	<0.001
Peak, %RBC × mm/s	0.68 ± 0.32	0.59 ± 0.27	<0.001
Increase from baseline, %	412 ± 175	401 ± 171	0.22

Values are means ± SD. Values in bold indicate significant difference. RBC, red blood cells.