Table 1 Patient characteristics at the index stroke.

From: Circulating levels of neurofilament light chain as a biomarker of infarct and white matter hyperintensity volumes after ischemic stroke

 

Overall

Subject with MRI at 7 years

Subjects without MRI at 7 years

(n = 316)

(n = 187)

(n = 129)

Age in years, mean (SD)

53 (11)

53 (11)

54 (12)

Male sex, no. (%)

204 (65)

122 (65)

82 (64)

Hypertension, no. (%)

171 (54)

102 (55)

69 (53)

Diabetes mellitus, no. (%)

54 (17)

27 (14)

27 (21)

Hyperlipidemia, no. (%)

215 (68)

129 (69)

86 (67)

Smoking, no. (%)

123 (39)

66 (35)

57 (44)

Subtype—Cryptogenic, no. (%)

110 (35)

71 (38)

39 (30)

 - Small artery occlusion, no. (%)

55 (17)

36 (19)

19 (15)

 - Large artery atherosclerosis, no. (%)

46 (15)

22 (12)

24 (19)

 - Cardioembolic, no. (%)

38 (12)

16 (9)

22 (17)*

 - Cervical artery dissection, no. (%)

29 (9)

19 (10)

10 (8)

 - Other determined, no. (%)

13 (4)

7 (4)

6 (5)

 -Undetermined, no. (%)

25 (8)

16 (9)

9 (7)

SSS, M (IQR)

54 (43 to 56)

54 (46 to 57)

51 (32 to 55)**

NIHSS (estimated), M (IQR)

2 (1 to 6)

2 (1 to 5)

3 (2 to 11)**

Infarct location—Supratentorial cortical, no. (%)

129 (41)

70 (37)

59 (46)

 - Supratentorial non cortical, no. (%)

87 (28)

51 (27)

36 (28)

 - Infratentorial, no. (%)

46 (15)

32 (17)

14 (11)

 - Supra and infratentorial, no. (%)

28 (9)

21 (11)

7 (5)

 - Undetermined, no. (%)

26 (8)

13 (7)

13 (10)

Small infarcts (< 2.5 cm3), no. (%)

144 (46)

98 (52)

46 (36)

Fazekas—Deep WMHs > 1, no. (%)

57 (18)

30 (16)

27 (21)

 - Periventricular WMHs > 1, no. (%)

38 (12)

22 (12)

16 (12)

Infarct vol. [cm3], mean (SD)

27.9 (54.5)

20.7 (45.3)

38.4 (64.4)**

WMH vol. [cm3], mean (SD)

2.9 (6.5)

2.6 (6.3)

3.4 (6.8)*

Serum NfL [pg/ml], mean (SD)

177 (325)

135 (229)

240 (423)*

  1. IQR = interquartile range; M = median; MRI = magnetic resonance imaging; NIHSS = National Institutes of Health Stroke Scale; SD = standard deviation; SSS = Scandinavian Stroke Scale; WMH = white matter hyperintensity. *P < 0.05; **P < 0.01.