Table 3 Percentage error of variability among the medical centers, %.
Volume | Heart area | CVR | CTR | ||
|---|---|---|---|---|---|
Second Xiangya Hospital | Intra-observer | 7.7 | 7.3 | 6.1 | 6.9 |
Inter-observer | 11.3 | 10.7 | 11.9 | 11.3 | |
Changsha Hospital for Maternal & Child Health Care | Intra-observer | 7.9 | 6.8 | 7.7 | 7.5 |
Inter-observer | 10.1 | 10.2 | 10.9 | 11.8 | |
Maternal & Child Health Hospital of Changde City | Intra-observer | 6.3 | 8.3 | 7.2 | 8.1 |
Inter-observer | 11.5 | 10.9 | 11.1 | 10.7 |
