Skip to main content
. 2019 Sep 13;9:13224. doi: 10.1038/s41598-019-49769-8

Table 3.

Systolic blood pressure parameters in 39 patients during endovascular intervention for acute posterior circulation ischemic stroke stratified for patients with and without BP augmenting drugs.

All BP aug. drug (N = 20) No BP aug. drug (N = 19) P
Standard deviation 12.9 (7.4–16.0) 17.1 (12.4–19.5) 8.4 (4.8–10.1) <0.001
Coefficient of variation 9.6 (5.5–12.7) 12.7 (8.9–15.1) 6.2 (4.4–7.5) <0.001
Average real variability 4.0 (2.5–4.7) 4.7 (3.1–5.4) 3.3 (2.2–4.0) 0.053
Maximum-minimum difference, mmHg 57.4 (28.5–78.0) 76.1 (58.5–95.2) 37.3 (20.5–50.5) <0.001
Number of excursions ≥120% SBP 13.6 (0.0–13.0) 13.1 (0.0–14.8) 14.1 (0.0–9.0) 0.608
Time spent ≥120% SBP 14.1 (0.0–15.0) 14.1 (0.0–23.2) 14.2 (0.0–9.0) 0.556
Number of excursions ≤80% SBP 4.8 (0.0–2.0) 9.0 (0.0–10.8) 0.5 (0.0–0.0) 0.024
Time spent under ≤80% SBP 4.8 (0.0–2.0) 9.0 (0.0–10.8) 0.5 (0.0–0.0) 0.011
Number of SBP excursions <140 mmHg 45.9 (14.5–75.0) 49.7 (17.8–79.5) 41.8 (4.0–69.0) 0.399
Time spent under 140 mmHg 48.4 (18–76.0) 51 (24.5–79.8) 45.7 (14.5–73.0) 0.643
Number of SBP excursions <100 mmHg 3.0 (0.0–3.5) 1.5 (0.0–5.0) 0.0 (0.0–1.5) 0.121
Time spent under 100 mmHg 3.0 (0.0–3.5) 4.4 (0.0–5.0) 1.6 (0.0–2.0) 0.089
Number of SBP excursions ≥180 mmHg 3.7 (0.0–5.0) 4.8 (0.0–5.2) 2.6 (0.0–4.5) 0.295
Time spent ≥180 mmHg 2.4 (0.0–2.0) 3.45 (0.0–2.0) 1.31 (0.0–0.5) 0.356

SBP – systolic blood pressure, aug. – augmention, low. – lowering. Data are presented as median (interquartile range).