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Table 1 Baseline characteristics of the included patients

From: The effect of age on outcome after intra-arterial treatment in acute ischemic stroke: a MR CLEAN pretrial study

 

Overall

Tertile 1

Tertile 2

Tertile 3

22–93 years

22–55 years

56–70 year

71–93 years

Number of patients

315

106

113

96

Age, median (IQR)

63 (52–72)

48 (40–52)

64 (60–68)

77 (73–80)

Male sex, n (%)

168 (53 %)

52 (49 %)

75 (66 %)

41 (43 %)

Systolic blood pressure, mean (SD)

146 (23)

138 (21)

149 (24)

152 (20)

Diastolic blood pressure, mean (SD)

82 (16)

78 (16)

85 (15)

84 (17)

Stroke severity at admission (NIHSS) mean (SD)a

16 (6.0)

15 (5.0)

16 (5.0)

16 (7.0)

Prior treatment with intravenous rtPA, n (%)b

245 (78 %)

77 (73 %)

91 (81 %)

75 (80 %)

Time from onset symptoms to intra-arterial treatment (minutes), mean (SD)c

93 (58)

96 (70)

87 (67)

77 (53)

Use of stent, n (%)d

132 (42 %)

41 (39 %)

52 (46 %)

39 (41 %)

Carotid T top occlusion, n (%)e

25 (8.0 %)

11 (10 %)

11 (10 %)

3 (3.0 %)

  1. SD standard deviation, IQR interquartile range, ER emergency room
  2. a65 unknown (21 %); b13 unknown (4.1 %); c177 unknown (56 %); d4 unknown (0.6 %); e2 unknown (0.6 %)