TABLE 1.

Description of Demographic Characteristics of the Study Cohort by Clinical Disease Rating Scale–Sum of Boxes Intervals

	CDR-SOB 0.0	CDR-SOB 0.5–3.0	CDR-SOB 3.5–6.0	CDR-SOB 6.5–12.0	CDR-SOB 12.5–17.0	CDR-SOB 18.0	Row Total (% total)
No. subjects (row %)	119 (14.3)	76 (9.1)	80 (9.6)	171 (20.5)	152 (18.2)	237 (28.4)	835 (100.0)
Sex, n (row %)
Male	55 (11.9)	43 (9.3)	49 (10.6)	103 (22.2)	95 (20.5)	118 (25.5)	463 (55.4)
Female	64 (17.2)	33 (8.9)	31 (8.3)	68 (18.3)	57 (15.3)	119 (32.0)	372 (44.6)
Age of death, years
Mean	87.2	88.6	83.5	82.4	79.7	79.6	82.5
Median	88.0	89.5	84.0	83.0	81.0	80.0	84.0
Range	59.0–103.0	72.0–103.0	59.0–102.0	52.0–111.0	55.0–101.0	52.0–105.0	52.0–111.0
Education, years
Mean	15.7	15.5	15.7	15.0	14.8	14.4	15.0
Median	16.0	16.0	16.0	16.0	15.0	16.0	16.0
Range	6.0–22.0	8.0–22.0	7.0–22.0	5.0–22.0	7.0–24.0	3.0–22.0	3.0–24.0
Missing data, n (row %)	1 (10.0)	1 (10.0)	1 (10.0)	3 (30.0)	1 (10.0)	3 (30.0)	10 (1.2)
Time from evaluation to death, days
Mean	295.3	310.3	338.4	319.3	273.8	238.0	285.5
Median	274.0	284.0	310.5	305.0	241.5	202.0	251.0
Range	5.0–687.0	16.0–721.0	48.0–727.0	4.0–710.0	0.0–721.0	0.0–718.0	0.0–727.0
APOE genotype, n (row %)
∊2/∊2	0 (0.0)	1 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)	1 (0.1)
∊2/∊3	20 (38.5)	10 (19.2)	6 (11.5)	10 (19.2)	2 (3.8)	4 (7.7)	52 (6.2)
∊2/∊4	1 (5.0)	4 (20.0)	5 (25.0)	5 (25.0)	0 (0.0)	5 (25.0)	20 (2.4)
∊3/∊3	78 (24.6)	34 (10.7)	24 (7.6)	59 (18.6)	51 (16.1)	71 (22.4)	317 (38.0)
∊3/∊4	13 (5.0)	14 (5.4)	23 (8.8)	65 (24.9)	55 (21.1)	91 (34.9)	261 (31.3)
∊4/∊4	0 (0.0)	3 (4.5)	3 (4.5)	11 (16.7)	20 (30.3)	29 (43.9)	66 (7.9)
Missing data, n (row %)	7 (5.9)	10 (8.5)	19 (16.1)	21 (17.8)	24 (20.3)	37 (31.4)	118 (14.1)

APOE, apolipoprotein E.