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. 2018 Jul 22;75(11):1399–1406. doi: 10.1001/jamaneurol.2018.2210

Table 3. Comparison of Comorbidity Conditions in Individuals With DS According to Sex and Dementia Status.

Comorbidity Men With DS, No. (%) Women With DS, No. (%)
Total Men
(n = 455)
With Dementia
(n = 180)
Without Dementia
(n = 275)
P Value Total Women
(n = 423)
With
Dementia
(n = 173)
Without Dementia
(n = 250)
P Value
Mean (SD); range 2.9 (2.6); 0-12 3.4 (2.8); 0-12 2.6 (2.4); 0-11 <.001 2.7 (2.3); 0-15 3.3 (2.6); 0-15 2.4 (2); 0-11 <.001
Frequency
Cardiovascular
Hypertension 118 (26) 51 (28.3) 67 (24) .35 78 (18.4) 34 (20) 44 (17.6) .59
Congestive heart failure 57 (12.5) 25 (13.9) 32 (11.6) .48 50 (11.8) 23 (13.3) 27 (10.8) .44
Cardiovalvular disease 27 (5.9) 10 (5.6) 17 (6.2) .78 14 (3.3) 6 (3.5) 8 (3.2) .89
Peripheral vascular disease 18 (4) 6 (3.3) 12 (4.3) .58 18 (4.3) 9 (5.2) 9 (3.6) .42
Arrhythmia 20 (4.4) 9 (5) 11 (4) .61 12 (2.8) 7 (4) 5 (2) .24
Myocardial infarction 16 (3.5) 8 (4.4) 8 (2.9) .39 3 (0.7) 2 (1.1) 1 (0.4) .57
Neuropsychiatric
Epilepsy 127 (27.9) 65 (36.1) 62 (22.5) .002 132 (31.2) 80 (46.2) 52 (20.8) <.001
Mood disorder 42 (9.2) 24 (13.3) 18 (6.5) .01 45 (10.6) 24 (13.9) 21 (8.4) .07
Anxiety 52 (11.4) 24 (13.3) 28 (10.2) .30 32 (7.6) 19 (11) 13 (5.2) .03
Psychosis 27 (5.9) 15 (8.3) 12 (4.4) .08 16 (3.8) 10 (5.8) 6 (2.4) .07
Cerebrovascular disease 21 (4.6) 10 (5.6) 11 (4) .44 13 (3.1) 6 (3.5) 7 (2.8) .70
Alcohol 14 (3.1) 10 (5.6) 4 (1.5) .02 8 (1.9) 5 (2.9) 3 (1.2) .28
Traumatic brain injury 10 (2.2) 4 (2.2) 6 (2.1) >.99 6 (1.4) 2 (1.2) 4 (1.6) >.99
Metabolism endocrine
Hypothyroidism 192 (42.2) 89 (49.4) 103 (37.5) .01 210 (49.6) 94 (54.3) 116 (46.4) .11
Anemia 150 (33) 67 (37.2) 83 (30.2) .12 107 (25.3) 55 (31.8) 52 (20.8) .01
Dyslipidemia 101 (22.2) 48 (26.7) 53 (19.3) .06 91 (21.5) 41 (23.7) 50 (20) .36
Diabetes 61 (13.4) 28 (15.6) 33(12) .28 40 (9.5) 19 (11) 21 (8.4) .37
Obesity 27 (5.9) 11 (6.1) 16 (5.8) .89 46 (10.9) 17 (9.8) 29 (11.6) .57
Weight loss 42 (9.2) 23 (12.8) 19 (6.9) .03 29 (6.9) 22 (12.7) 7 (2.8) <.001
Osteoporosis 21 (4.6) 14 (7.8) 7 (2.5) .009 44 (10.4) 18 (10.4) 26 (10.4) .99
Other conditions
Chronic pulmonary disease 79 (17.4) 33 (18.3) 46 (16.7) .66 86 (20.3) 39 (22.5) 47 (18.8) .35
Chronic renal failure 51 (11.2) 27 (15) 24 (8.7) .04 38 (9) 18 (10.4) 20 (8) .40
Ulcer disease 22 (4.8) 8 (4.4) 14 (5.1) .75 12 (2.8) 4 (2.3) 8 (3.2) .77
Tumor and hematologic disease 20 (4.4) 2 (1.1) 18 (6.5) .005 13 (3.1) 4 (2.3) 9 (3.6) .57
Liver disease 18 (4) 6 (3.3) 12 (4.4) .58 13 (3.1) 7 (4) 6 (2.4) .34
Rheumatism 0 0 0 NA 5 (1.2) 2 (1.1) 3 (1.2) >.99
Tobacco use 4 (0.9) 2 (1.1) 2 (0.7) .65 0 0 0 NA

Abbreviations: DS, Down syndrome; NA, not applicable.