Table 1 Baseline demographics of patients with and without concomitant memantine use

N

245

251

776

773

496

1549

 Women (%)

60.4

67.3

65.2

64.9

63.9

65.1

0.7976^χ

 Mean (SD)

74.2 (8.7)

73.8 (8.8)

72.8 (8.6)

72.7 (8.9)

74.0 (8.76)

72.8 (8.76)

0.008^t

 Mean (SD)

18.4 (4.2)

18.0 (4.1)

19.1 (4.0)

19.4 (4.1)

18.2 (4.16)

19.2 (4.02)

0.0001^t

 Mean (SD)

59.0 (23.3)

57.0 (23.7)

61.5 (20.3)

63.4 (20.7)

58.0 (23.49)

62.5 (20.52)

0.0001^t

 Mean (SD)

0.8 (1.3)

1.1 (1.7)

0.8 (1.7)

0.7 (1.3)

0.95 (1.50)

0.75 (1.57)

0.0127^t

 Cholinomimetic use (%)

23.3

23.5

16.0

13.3

23.4

14.7

0.0001^χ

  N

116

101

312

305

217

617

 Cases, n (%)

10 (8.6)

3 (3.0)

14 (4.5)

13 (4.3)

13 (6.0)

27 (4.4)

0.3507^χ