Table 1 Baseline characteristics of mild stroke patients according to treatment approach before and after propensity score-matching

Number

79

98

–

40

40

–

Age (years), mean ± SD

61.2 ± 14.4

65.9 ± 10.7

0.323

65.1 ± 11.6

65.0 ± 10.5

0.005

Sex (male)

52 (65.8)

72 (73.5)

0.160

27 (67.5)

29 (72.5)

0.105

 Atrial fibrillation

21 (26.6)

13 (13.3)

0.300

9 (22.5)

7 (17.5)

0.112

 Hypertension

51 (64.6)

62 (63.3)

0.027

28 (70.0)

28 (70.0)

NA

 Hyperlipidemia

10 (12.7)

19 (19.4)

0.201

6 (15.0)

5 (12.5)

0.075

 Diabetes

11 (13.9)

31 (31.6)

0.508

10 (25.0)

11 (27.5)

0.072

 Smoking

17 (21.5)

34 (34.7)

0.319

8 (20.0)

9 (22.5)

0.006

 Systolic blood pressure, mean ± SD

139.4 ± 20.9

147.0 ± 23.8

0.361

144.7 ± 23.7

143.4 ± 21.5

0.006

 Admission NIHSS, median (IQR)

7 (5–8)

4 (2–6)

0.868

5.5 (4–7)

5.5 (4–7)

NA

 ASPECTS, median (IQR)

9 (8–10)^a

9 (8–10)

0.098

9 (8–10)

10 (8.25–10)

0.033

 Good collateral circulation^b

54 (68.4)

70 (71.4)

0.066

27 (67.5)

26 (65.0)

0.052

 Onset to imaging (min), median (IQR)

300 (215–390)

300 (180–480)

0.432

284 (225–386)

240 (180–360)

0.057

 Onset to puncture (min), mean (range)

314 (10–995)

NA

NA

284 (10–758)

NA

NA

 Puncture to reperfusion (min),median (IQR)

75 (54–95)

NA

NA

75 (55–93)

NA

NA

 Intravenous thrombolysis

23 (29.1)

11 (11.2)

0.391

13 (32.5)

10 (25.0)

0.164

 Large artery atherosclerosis

41 (51.9)

85 (86.7)

0.693

29 (72.5)

31 (77.5)

0.099

 Embolism

29 (36.7)

11 (11.2)

0.525

9 (22.5)

7 (17.5)

0.103

 Others/undetermined

9 (11.4)^c

2 (2.0)

0.292

2 (5.0)

2 (5.0)

NA

 ICA

5 (6.3)

25 (25.5)

0.400

4 (10.0)

5 (12.5)

0.069

 MCA M1

49 (62.0)

39 (39.8)

0.455

21 (52.5)

21 (52.5)

NA

 MCA M2

12 (15.2)

14 (14.3)

0.025

7 (17.5)

6 (15.0)

0.069

 Tandem

13 (16.5)

20 (20.4)

0.106

8 (20.0)

8 (20.0)

NA