Table 3.
Demographic characteristics of participants.
| Variables | Level | Control (n = 42) %(n) |
Case (n = 7) %(n) |
Total (n = 49) %(n) |
|---|---|---|---|---|
| Gender | Female | 57.14 (24) | 57.14 (4) | 57.14 (28) |
| Male | 42.86 (18) | 42.86 (3) | 42.86 (21) | |
| Race | Other | 52.38 (22) | 0 | 44.9 (22) |
| White | 47.62 (20) | 100 (7) | 55.1 (27) | |
| History of CHD | No | 90.48 (38) | 85.71 (6) | 89.8 (44) |
| Yes | 9.52 (4) | 14.29 (1) | 10.2 (5) | |
| Family history of arrhythmia | No | 100 (42) | 85.71 (6) | 97.96 (48) |
| Yes | 0 | 14.29 (1) | 2.04 (1) | |
| History of diagnosed asthma | No | 30.95 (13) | 42.86 (3) | 32.65 (16) |
| Yes | 69.05 (29) | 57.14 (4) | 67.35 (33) | |
| History of documented SVT | No | 100 (42) | 57.14 (4) | 93.88 (46) |
| Yes | 0 | 42.86 (3) | 6.12 (3) | |
| Use levalbuterol at home | No | 97.62 (41) | 42.86 (3) | 89.8 (44) |
| Yes | 2.38 (1) | 57.14 (4) | 10.2 (5) | |
| Use albuterol at home | No | 45.24 (19) | 85.71 (6) | 51.02 (25) |
| Yes | 54.76 (23) | 14.29 (1) | 48.98 (24) |