3-month Mortality Model

3-month mRS Model

1999 Derivation

N = 441

2005 Validation

N = 457

2010 Validation

N = 496

1999 Derivation

N = 332

2005 Validation

N = 388

2010 Validation

N = 402

Age, median (IQR)

72 (60, 80)

68 (58, 78)

67 (58, 79)

72 (60, 79)

67 (56, 77)

67 (58, 78)

Female

258 (58)

218 (48)

261 (53)

198 (60)

187 (48)

212 (53)

Nonwhite

146 (33)

115 (25)

95 (19)

107 (32)

100 (26)

72 (18)

Insured at stroke

404 (92)

404 (89)

407 (83)

305 (93)

348 (90)

337 (84)

Partnered at stroke

188 (46)

231 (51)

238 (48)

138 (45)

199 (51)

197 (49)

Smoking

199 (47)

243 (55)

250 (51)

155 (49)

209 (55)

205 (52)

Diabetes

179 (41)

173 (38)

183 (37)

141 (42)

145 (37)

141 (35)

Hypertension

313 (71)

347 (76)

393 (79)

232 (70)

291 (75)

309 (77)

Prior stroke

127 (29)

108 (24)

121 (24)

101 (30)

88 (23)

93 (23)

MRI imaging

103 (27)

329 (73%)

391 (79%)

89 (27)

288 (74%)

318 (79%)

WMD

None

134 (35)

53 (12)

33 (7)

119 (36)

43 (11)

24 (6)

Mild

116 (30)

206 (46)

188 (38)

99 (30)

186 (48)

158 (39)

Moderate

93 (24)

112 (25)

154 (31)

81 (24)

90 (23)

128 (32)

Severe

44 (11)

80 (18)

120 (24)

33 (10)

69 (18)

92 (23)

Prestroke Rankin median (IQR)

0 (0, 2)

1 (0, 2)

1 (0, 2)

0 (0, 2)

1 (0, 2)

1 (0, 2)

Immediately Poststroke Rankin median (IQR)

4 (2, 4)

3 (2, 4)

3 (2, 4)

4 (2, 4)

3 (2, 4)

3 (2, 3)

3-Month Rankin median (IQR)

3 (2, 4)

2 (2, 3)

3 (1, 3)

3 (2, 4)

2 (1, 3)

3 (1, 3)

Estimated NIHSS median (IQR)

6 (3, 10)

4 (2, 7)

3 (2, 7)

5 (3, 10)

4 (2, 7)

3 (2, 6)