Table 4 General demographic and clinical characteristics of children with congenital heart disease who received traditional surgery and minimally invasive surgery reported by parents on their behalf after propensity score matching
General information indicators | Treatment mode | SMD (%) | |
|---|---|---|---|
TS (n = 136) | MIS (n = 136) | ||
Age (years, x ̅±s) | 5.80 ± 3.38 | 5.89 ± 2.64 | 2.3 |
Sex (n, %) | Â | Â | 7.4 |
 Male | 79 (58.1) | 74 (54.4) |  |
 Female | 57 (41.9) | 62 (45.6) |  |
BMI (x ± s) | 15.7 ± 2.54 | 15.6 ± 3.13 | 1.3 |
Type of congenital heart disease (n,%) | Â | Â | 2.1 |
 ASD | 19 (14.0) | 18 (13.2) |  |
 VSD | 115 (84.6) | 116 (85.3) |  |
 Other | 2 (1.5) | 2 (1.5) |  |
Time after operation (months, x ± s) | 20.0 ± 20.7 | 22.1 ± 20.9 | 10.0 |