Infants with CLD | Healthy preterm infants | |
Total Doppler examinations | 150 | 98 |
36 weeks' postmenstrual age | 20 | 19 |
Term | 16 | 18 |
1–13 weeks | 45 | 18 |
14–26 weeks | 36 | 15 |
27–39 weeks | 18 | 15 |
40–52 weeks | 15 | 13 |
Median AT/RVET2-152 | 0.31 (0.21 to 0.43)2-150 | 0.37 (0.28 to 0.43) |
AT/RVET velocity (units/week)2-152 | 0.18 (−2.7 to 1.2)2-151 | 0.16 (−3.0 to 3.0) |