Table 1.
Patient demographics
| Total | Catheter | Surgical | p Value | |
|---|---|---|---|---|
| n=378 | N=242 | N=136 | ||
| Demographics | ||||
| Male gender | 146/378 (38.6%) | 90/242 (37%) | 56/136 (41%) | NS |
| Down syndrome | 18/378 (4.8%) | 12/242 (5%) | 6/136 (4%) | NS |
| Number of ASDs | ||||
| Single | 341/378 (90%) | 220/242 (90%) | 121/136 (89%) | NS |
| Multiple | 37/378 (10%) | 22/242 (10%) | 15/136 (11%) | |
| Size of ASD (mm) | 14 (4–30) | 13 (4–27) | 18 (6–30) | <0.0001 |
| Preprocedure AVB | 31/378 (8%) | 21/242 (8%) | 10/136 (7%) | NS |
| Procedure variables | ||||
| Age at procedure (years) | 4 (0–18) | 5 (0–18) | 4 (0–17) | 0.016 |
| BW at procedure (kg) | 18 (4.5–95) | 19 (5.8–78) | 15.5 (4.5–95) | 0.001 |
| BH at procedure (cm) | 107 (58–179) | 110 (60–179) | 104 (58–178) | 0.013 |
| Postprocedure AVB | 20/378 (5%) | 15/242 (6%) | 5/136 (4%) | NS |
| Follow-up variables | ||||
| Age at follow-up (years) | 9 (1–21) | 10 (1–21) | 7 (1–20) | 0.007 |
| Duration of follow-up (months) | 28 (1–193) | 37 (1–193) | 18 (1–172) | 0.007 |
| AVB at follow-up | 14/378 (4%) | 11/242 (5%) | 3/136 (2%) | NS |
| Other arrhythmias at follow-up | 3/378 (0.8%) | 2/242 (0.8%) | 1/136 (0.7%) | NS |
Values are expressed as median and range for continuous variables and number of patients for categorical variables.
ASD, atrial septal defect; AVB, atrioventricular block; BH, body height; BW, body weight; NS, not significant.