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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Stroke. 2007 Oct 25;38(12):3121–3126. doi: 10.1161/STROKEAHA.107.493593

Table 1.

Sample Characteristics

CCl
eGFR
15–60
mL/min
60–90
mL/min
>90
mL/min
P 15–60
mL/min
60–90
mL/min
>90
mL/min
P
No. 85 318 212 57 340 218
Age at MRI <0.001 <0.001
 ≥70 years 69 (81) 185 (58) 60 (28) 34 (60) 205 (60) 75 (34)
 <70 years 16 (19) 133 (42) 152 (72) 23 (40) 135 (44) 143 (66)
Gender 0.079 0.478
 Women 60 (71) 185 (58) 121 (57) 38 (67) 202 (59) 126 (58)
 Men 25 (29) 133 (42) 91 (43) 19 (33) 138 (41) 92 (42)
Completed high school 0.061 0.024
 Yes 53 (62) 153 (48) 105 (50) 19 (33) 178 (52) 114 (52)
 No 32 (38) 165 (52) 107 (50) 38 (67) 162 (48) 104 (48)
Race 0.003 <0.001
 White 22 (26) 57 (18) 29 (14) 9 (16) 77 (23) 22 (10)
 Black 25 (29) 67 (21) 35 (17) 7 (12) 64 (19) 56 (26)
 Hispanic 38 (45) 194 (61) 148 (70) 41 (72) 199 (59) 140 (64)
Medical history
 Cardiac disease 0.857 0.955
  Yes 10 (12) 42 (13) 30 (14) 7 (12) 45 (13) 30 (14)
  No 75 (88) 276 (87) 182 (86) 50 (88) 295 (87) 188 (86)
 Hypertension 0.306 0.003
  Yes 54 (64) 212 (67) 152 (72) 50 (88) 227 (67) 141 (65)
  No 31 (36) 106 (33) 60 (28) 7 (12) 113 (33) 77 (35)
 Diabetes 0.435 0.224
  Yes 14 (16) 51 (16) 43 (20) 13 (23) 52 (15) 43 (20)
  No 71 (84) 267 (84) 169 (80) 44 (77) 288 (85) 175 (80)
Total homocysteine 0.002 <0.001
 <8.4 μmol/L 31 (36) 154 (9) 126 (10) 16 (28) 156 (46) 139 (64)
 8.4–12 μmol/L 39 (46) 134 (42) 64 (30) 30 (53) 147 (43) 60 (28)
 >12 μmol/L 31 (18) 154 (48) 126 (59) 11 (19) 37 (11) 19 (9)

Results are presented as N (%) unless noted.