Table 2.
Cause of death of MSA patients according to gender and subtype.
| Cause of death | Total (131) N (%) |
Female (58) N (%) |
Male (73) N (%) |
P-value# | MSA-C (69) N (%) |
MSA-P (62) N (%) |
P-value# |
|---|---|---|---|---|---|---|---|
| Respiratory infection | 86(65.6) | 38(65.5) | 48(65.8) | 0.977 | 41(59.4) | 45(72.6) | 0.113 |
| Choking | 2(1.5) | 1(1.7) | 1(1.4) | 1.000 | 1(1.4) | 1(1.6) | 1.000 |
| Urinary tract infection | 4(3.1) | 2(3.4) | 2(2.7) | 1.000 | 3(4.3) | 1(1.6) | 0.689 |
| Nutritional disorder | 12(9.2) | 8(13.8) | 4(5.5) | 0.101 | 8(11.6) | 4(6.5) | 0.308 |
| Lymphoma | 1(0.8) | 0(0.0) | 1(1.4) | 1.000 | 1(1.4) | 0(0.0) | 1.000 |
| Cerebrovascular accident | 2(1.5) | 0(0.0) | 2(2.7) | 0.503 | 1(1.4) | 1(1.6) | 1.000 |
| Myocardial infarction | 2(1.5) | 0(0.0) | 2(2.7) | 0.503 | 2(2.9) | 0(0.0) | 0.498 |
| Suicide | 3(2.3) | 0(0.0) | 3(4.1) | 0.330 | 3(4.3) | 0(0.0) | 0.282 |
| Sudden death | 19(14.5) | 9(15.5) | 10(13.7) | 0.769 | 9(13.0) | 10(16.1) | 0.617 |
| Nighttime | 7(5.3) | 1(1.7) | 6(8.2) | 0.211 | 5(7.2) | 2(3.2) | 0.527 |
| Daytime | 12(9.2) | 8(13.8) | 4(5.5) | 0.101 | 4(5.8) | 8(12.9) | 0.159 |
#
Chi-square or Fischer exact test.1
MSA, multiple system atrophy; MSA-P, multiple system atrophy with predominately parkinsonism; MSA-C, multiple system atrophy with predominately cerebellar ataxia.