Table 3.
Cardiovascular variables [mean (SE), 6 females and 6 males] at baseline and during centrifugation separated by gender.
| Gender | Baseline | Gender effect at baseline | 0 G | 1 G | 1.4 G | Gender effect during centrifugation | |
|---|---|---|---|---|---|---|---|
| HR (bpm) | Females | 65.6 (2.5) | p = 0.274 | 108.5 (13.6) | 107.0 (13.2) | 111.0 (13.1) | p = 0.179 |
| Males | 62.1 (1.9) | 98.6 (11.3) | 98.0 (10.7) | 101.7 (10.6) | |||
| SV (mL) | Females | 88.0 (2.7) | p < 0.0005 | 87.4 (4.2) | 90.7 (7.4) | 98.6 (6.1) | p < 0.0005 |
| Males | 106.6 (1.9) | 112.2 (5.3) | 116.8 (4.9) | 122.3 (5.3) | |||
| CO (L/min) | Females | 5.7 (0.3) | p = 0.018 | 9.5 (1.3) | 10.0 (1.8) | 11.1 (1.6) | p = 0.067 |
| Males | 6.6 (0.2) | 11.1 (1.4) | 11.7 (1.6) | 12.7 (1.7) | |||
| PP (mmHg) | Females | 42.1 (1.6) | p = 0.025 | 48.4 (4.2) | 49.2 (5.9) | 58.7 (6.0) | p = 0.006 |
| Males | 47.1 (1.4) | 56.9 (3.0) | 57.3 (4.1) | 61.2 (4.5) | |||
| SBP (mmHg) | Females | 115.8 (1.9) | p = 0.022 | 132.5 (7.5) | 129.4 (7.9) | 141.7 (8.7) | p = 0.078 |
| Males | 122.9 (2.3) | 145.6 (7.6) | 137.4 (7.3) | 142.3 (8.3) | |||
| DBP (mmHg) | Females | 73.7 (0.8) | p = 0.280 | 84.1 (3.9) | 80.3 (2.7) | 83.0 (3.2) | p = 0.810 |
| Males | 75.8 (1.8) | 88.7 (6.2) | 80.1 (4.5) | 81.1 (5.0) | |||
| MAP (mmHg) | Females | 91.6 (1.1) | p = 0.448 | 104.0 (5.2) | 100.5 (4.7) | 106.4 (4.9) | p = 0.932 |
| Males | 93.3 (1.9) | 109.0 (6.7) | 100.3 (5.7) | 102.6 (6.2) | |||
| TPR (PRU) | Females | 1.0 (0.05) | p = 0.061 | 0.73 (0.09) | 0.72 (0.12) | 0.66 (0.09) | p = 0.116 |
| Males | 0.9 (0.04) | 0.65 (0.09) | 0.59 (0.09) | 0.55 (0.08) | |||
Female and male data were compared at baseline (two-tailed, two sample t-test) and during centrifugation (between-subjects effects from repeated-measures ANOVA). Results show significant differences in SV, CO, PP, and SBP at baseline and in SV and PP during centrifugation.