Table 1 Demographics of patients with spinal cord Injury and Controls.
From: Risk of Parkinson’s disease in spinal cord injury: a nationwide cohort study in South Korea
SCI | Control (n = 24,844) | p-valuea | p-valueb | |||
|---|---|---|---|---|---|---|
Total (n = 7,182) | without disability (n = 5,734) | with disability (n = 1,448) | ||||
Age, years | 60.5 ± 10.9 | 60.1 ± 11.0 | 61.9 ± 10.3 | 60.3 ± 11.0 | 0.160 | < 0.001 |
Sex, male, n (%) | 4,922 (68.5) | 3,892 (67.9) | 1,030 (71.1) | 17,237 (69.4) | 0.170 | 0.022 |
Follow-up duration, years | 4.6 ± 2.6 | 4.5 ± 2.6 | 4.7 ± 2.5 | 5.0 ± 2.5 | < 0.001 | < 0.001 |
Income, low 20% | 1,549 (21.6) | 1,205 (21.0) | 344 (23.8) | 4,604 (18.5) | < 0.001 | < 0.001 |
Residential area, rural, n (%) | 4,501 (62.7) | 3,606 (62.9) | 895 (61.8) | 13,771 (55.4) | < 0.001 | < 0.001 |
Diabetes, n (%) | 1,721 (24.0) | 1,288 (22.5) | 433 (29.9) | 4,119 (16.6) | < 0.001 | < 0.001 |
Hypertension, n (%) | 3,582 (49.9) | 2,766 (48.2) | 816 (56.4) | 10,813 (43.5) | < 0.001 | < 0.001 |
Dyslipidaemia, n (%) | 2,624 (36.5) | 2,041 (35.6) | 583 (40.3) | 8,286 (33.4) | < 0.001 | < 0.001 |
BMI | 24.2 ± 3.1 | 24.1 ± 3.0 | 24.4 ± 3.3 | 24.2 ± 3.0 | 0.838 | 0.025 |
Regular exercise | 1,488 (20.7) | 1,199 (20.9) | 289 (20.0) | 5,703 (23.0) | < 0.001 | 0.002 |
Smoking, n (%) | < 0.001 | < 0.001 | ||||
Non-smoker | 3,640 (50.7) | 2,894 (50.5) | 746 (51.5) | 12,901 (51.9) | ||
Ex-smoker | 1,479 (20.6) | 1,160 (20.2) | 319 (22.0) | 6,244 (25.1) | ||
Current smoker | 2,063 (28.7) | 1,680 (29.3) | 383 (26.5) | 5,699 (22.9) | ||
Alcohol drinking, n (%) | < 0.001 | < 0.001 | ||||
None | 3,692 (51.4) | 2,877 (50.2) | 815 (56.3) | 13,251 (53.3) | ||
Mild (< 30 g/d) | 2,599 (36.2) | 2,121 (37.0) | 478 (33.0) | 9,476 (38.1) | ||
Heavy (> 30 g/d) | 891 (12.4) | 736 (12.8) | 155 (10.7) | 2,117 (8.5) | ||
