Table 7 Risk differences by types of congenital heart disease (cases [%])
Classification | Risk group | Risk-free group | Statistical test |
|---|---|---|---|
Cyanotic (n = 206) | 118 (61.14) | 75 (38.86) | χ2 = 97.286 p < 0.01 |
Non-cyanotic (n = 973) | 233 (25.00) | 699 (75.00) | |
Simple (n = 535) | 13 (2.43) | 522 (97.57) | χ2 = 400.694 p < 0.01 |
Moderate (n = 390) | 209 (53.59) | 181 (46.41) | |
Complex (n = 200) | 129 (64.50) | 71 (35.50) |