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Table 1 Baseline characteristics at time of arrival to the EDa

From: Increasing incidence of hypotension in the emergency department; a 12 year population-based cohort study

Variable

Total (%) SBP ≤ 100 mm Hg

90 > SBP ≤ 100 mm Hg

80 > SBP ≤ 90 mm Hg

SBP ≤ 80

mm Hg

N (%)

3,268 (100 %)

1,725 (100 %)

920 (100 %)

623 (100 %)

Age in years, Median (IQR)

68 (50–80)

65 (45–79)

69 (54–80)

72 (58–82)

Sex (%)

    

     Male

1,602 (49 %)

792 (46 %)

462 (50 %)

348 (56 %)

     Female

1,666 (51 %)

933 (54 %)

458 (50 %)

275 (44 %)

Age in age groups, yr (%)

    

     18–39

509 (16 %)

348 (20 %)

117 (13 %)

44 (7 %)

     40–64

942 (29 %)

500 (29 %)

275 (30 %)

167 (27 %)

     65–84

1,313 (40 %)

630 (37 %)

388 (42 %)

295 (47 %)

     85+

504 (15 %)

247 (14 %)

140 (15 %)

117 (19 %)

Charlson Comorbidity Index (%)

    

     0

1,291 (40 %)

739 (43 %)

336 (37 %)

216 (35 %)

     1 to 2

1,119 (34 %)

572 (33 %)

334 (36 %)

213 (34 %)

     >2

858 (26 %)

414 (24 %)

250 (27 %)

194 (31 %)

Vital variables

    

     Systolic blood pressure, Median (IQR)

91 (84–96)

96 (93–97)

87 (84–89)

74 (66–79)

     Diastolic blood pressure, Median (IQR)

55 (47–63)

60 (53–67)

54 (47–60)

44 (37–50)

     Heart rate, Median (IQR)b

82 (68–100)

81 (68–96)

85 (68–104)

86 (68–104)

Shock Index (SI), n (%)

    

     SI, Median (IQR)

0.9 (0.8-1.2)

0.9 (0.7-1.0)

1.0 (0.8-1.2)

1.2 (0.9-1.5)

Time of contact

    

     Day (07:00–14:59)

1,536 (47 %)

779 (45 %)

462 (50 %)

295 (47 %)

     Evening (15:00–22:59)

1,152 (35 %)

640 (37 %)

297 (32 %)

215 (35 %)

     Night (23:00–06:59)

580 (18 %)

306 (18 %)

161 (18 %)

113 (18 %)

Mortality (Overall)

    

     7-day mortality, n (%)

489 (15 %)

150 (9 %)

153 (17 %)

189 (30 %)

     30-day mortality, n (%)

731 (22 %)

264 (15 %)

233 (25 %)

234 (38 %)

     90-day mortality, n (%)

922 (28 %)

363 (21 %)

286 (31 %)

273 (44 %)

  1. aValues expressed as total number (fraction) and medians [25 percentile-75 percentile] as appropriat. Chi-squared test for categorical variables and Kruskal-Wallis test for continuous variables. b128 observations missing