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Table 3 Analyses of parameters associated with systolic and diastolic BP in patients with acute HS

From: Initial blood pressure is associated with stroke severity and is predictive of admission cost and one-year outcome in different stroke subtypes: a SRICHS registry study

  Systolic BP (mmHg) Diastolic BP (mmHg)
  ≤ 110 111 ~ 210 ≥ 211 p ≤ 70 71 ~ 110 ≥ 111 p
  n = 12 n = 254 n = 16   n = 47 n = 208 n = 27  
Age, year 64.5 (51.5,70.8) 63 (52,75) 54.5 (48.3,64.5) 0.19 74 (58,80) 62 (52,73) 52 (45,62) < 0.001*
Gender (F/M) 5/7 101/153 5/11 0.79 24/23 80/128 7/20 0.09
Initial NIHSS score 19 (8,40) 9.5 (4,19) 24 (14,31) 0.01* 16 (8,40) 9 (3.3,16) 16 (10.3,30.8) < 0.001*
Admission cost, USD 2755.6
(2169, 7995.5)
1845.9
(1110.8, 3986.0)
1768.6
(1137.1, 6211.4)
0.29 2629.1
(1596.6, 6628.8)
1668.6
(983, 3649)
1981.2
(1488.4, 4241.6)
0.002*
Length of stay, day 13.92 ± 9.55 18.98 ± 17.97 16.19 ± 21.28 0.543 19.68 ± 16.66 18.17 ± 18.23 20.07 ± 17.69 0.790
One-year mRS score 6 (3,6) 3 (1,5) 6 (5,6) 0.002* 5 (4,6) 3 (1,5) 5 (2,6) < 0.001*
Hypertension, % 41.7 60.6 31.3 0.03* 48.9 61.1 51.9 0.25
Diabetes mellitus, % 33.3 20.5 25.0 0.53 34.0 18.8 18.5 0.54
Heart rate, bpm 83 (77.5,92) 76 (66,86) 88.5 (77.3, 96.3) 0.01* 77 (65.5,87.5) 76 (67,87) 83 (73,93.5) 0.23
Previous stroke, % 30.0 32.9 37.5 0.94 41.0 31.3 31.8 0.5
Heart disease, % 25.0 16.9 18.8 0.76 21.3 17.3 11.1 0.54
Hemoglobin, mg/dl 11.8 (10.7,13.6) 13.9 (12,15) 14.0 (12.6,15.6) 0.05* 12.7 (11.0,14.0) `13.9 (12.2,15) 15.2 (13.4,16.2) < 0.001*
BUN/Cr ≥ 15, n (%) 6 (54.6) 111 (51.9) 3 (25.0) 0.19 25 (58.1) 85 (49.7) 10 (43.5) 0.47
Infection, n (%) 5 (41.7) 77 (30.3) 6 (37.5) 0.62 19 (40.4) 61 (29.3) 8 (29.6) 0.33
  1. Median (Q1, Q3) is reported for continuous variables and number (%) for categorical variables. BP blood pressure, HS hemorrhagic stroke, F female, M male, USD US dollar, One US dollars = 30 New Taiwan dollars, Previous stroke = history of previous stroke, Heart disease = history of heart disease, bpm beats per minute, NIHSS National Institutes of Health Stroke Scale, mRS modified Rankin scale, BUN/Cr blood urea nitrogen to creatinine ratio. * p value < 0.05