变量

正常组(n = 799)

MCI组(n = 220)

t'/c²

P

用药种数(种)

5.94 ± 2.42

6.58 ± 2.74

−3.357

<0.001

高血压[n (%)]

0.42

0.517

无

206 (79.8%)

52 (20.2%)

有

593 (77.9%)

168 (22.1%)

高血脂[n (%)]

6.519

<0.05

无

599 (76.6%)

183 (23.4%)

有

200 (84.4%)

37 (15.6%)

糖尿病[n (%)]

1.553

0.213

无

530 (79.6%)

136 (20.4%)

有

269 (76.2%)

84 (23.8%)

冠心病[n (%)]

10.249

<0.001

无

331 (83.6%)

65 (16.4%)

有

468 (75.1%)

155 (24.9%)

脑血管病[n (%)]

6.576

<0.05

无

466 (81.3%)

107 (18.7%)

有

333 (74.7%)

113 (25.3%)

慢性阻塞性肺疾病[n (%)]

15.276

<0.001

无

616 (81.4%)

141 (18.6%)

有

183 (69.8%)

79 (30.2%)

慢性肾功能不全[n (%)]

11.022

<0.001

无

748 (79.7%)

191 (20.3%)

有

51 (63.7%)

29 (36.3%)

营养风险[n (%)]

36.456

<0.001

无

626 (83.0%)

128 (17.0%)

有

173 (65.3%)

92 (34.7%)

睡眠障碍[n (%)]

0.751

0.386

无

722 (78.1%)

203 (21.9%)

有

77 (81.9%)

17 (18.1%)