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Table 1 Clinical characteristics of enrolled patients

From: The prognostic significance of hyperdense middle cerebral artery sign in cardioembolic stroke patients undergoing mechanical thrombectomy

Variables

Total (n = 295)

Non-HMCAS(n = 202)

HMCAS(n = 93)

p value

Age (years), Mean ± SD

66.13 ± 12.86

66.36 ± 12.87

65.63 ± 12.87

0.653

Male sex, n(%)

177 (60.00)

124 (61.39)

53 (56.99)

0.474

Hypertension, n(%)

183 (62.03)

136 (67.33)

47 (50.54)

0.006

Diabetes mellitus, n(%)

71 (24.07)

58 (28.71)

13 (13.98)

0.006

Hyperlipidemia, n(%)

50 (16.95)

37 (18.32)

13 (13.98)

0.356

Previous stroke or TIA, n(%)

46 (15.59)

36 (17.82)

10 (10.75)

0.120

Atrial fbrillation, n(%)

93 (31.53)

54 (26.73)

39 (41.94)

0.009

Coronary heart disease, n(%)

44 (14.92)

29 (14.36)

15 (16.13)

0.691

Smoking, n(%)

83 (28.14)

63 (31.19)

20 (21.51)

0.086

Intravenous thrombolysis, n(%)

92 (31.19)

60 (29.70)

32 (34.41)

0.418

ASPECTS, M (Q₁, Q₃)

9.00 (7.00, 10.00)

9.00 (8.00, 10.00)

8.00 (6.00, 10.00)

< 0.001

Baseline NIHSS score, M (Q₁, Q₃)

13.00 (9.00, 17.00)

12.50 (7.00, 17.00)

15.00 (11.00, 18.00)

0.009

TOAS, n(%)

   

0.004

 1

116 (39.32)

83 (41.09)

33 (35.48)

 

 2

93 (31.53)

52 (25.74)

41 (44.09)

 

 3

86 (29.15)

67 (33.17)

19 (20.43)

 

PRT, M (Q₁, Q₃)

88.00 (65.00, 124.00)

90.00 (65.00, 125.00)

80.00 (55.00, 120.00)

0.130

OPT, M (Q₁, Q₃)

335.00 (245.00, 413.00)

318.00 (238.50, 391.50)

360.00 (260.00, 420.00)

0.017

DPT, M (Q₁, Q₃)

107.00 (87.50, 133.00)

107.00 (87.00, 132.50)

106.00 (89.00, 135.00)

0.839

first-pass recanalization, n(%)

93 (31.53)

74 (36.63)

19 (20.43)

0.005

Number of passes, M (Q₁, Q₃)

2.00 (1.00, 3.00)

2.00 (1.00, 3.00)

2.00 (2.00, 4.00)

< 0.001

Successful recanalization, n(%)

225 (76.27)

156 (77.23)

69 (74.19)

0.569

All HT, n(%)

104 (35.25)

64 (31.68)

40 (43.01)

0.058

sHT, n(%)

28 (9.49)

20 (9.90)

8 (8.60)

0.724

Good outcome, n(%)

131(44.41)

97 (48.00)

34 (36.60)

0.066

  1. Bold p values indicate statistical significance
  2. HMCAS: hyperdense middle cerebral artery sign
  3. Non-HMCAS: None-hyperdense middle cerebral artery sign
  4. TIA, transient ischemic attack; NIHSS, National Institute of Health Stroke Scale; ASPECTS, Alberta stroke program early CT score; OPT, onset-to-groin puncture time; DPT, door-to-recanalization time; PRT, groin puncture-to-recanalization time; HT, hemorrhagic transformation; sHT, symptomatic hemorrhagic transformation