Table 5.
Prevalence of IUGR, EUGR (static and dynamic), and “true EUGR” according to Fenton 2013 and INTERGROWTH-21st and Kappa concordance between both classifications.
| IUGR | EUGR | ||||
|---|---|---|---|---|---|
| Static | Dynamic | True* static | True* dynamic | ||
| Weight | |||||
| Fenton | 36.5 | 73.8 | 44.3 | 59.2 | 52.8 |
| IW-21 | 35.1 | 53.9 | 29.3 | 34.9 | 41 |
| Kappa | 0.887 | 0.58 | 0.672 | 0.539 | 0.746 |
| Length | |||||
| Fenton | 26.8 | 63.6 | 58.6 | 47.9 | 66.2 |
| IW-21 | 29.8 | 57.6 | 43.8 | 42.8 | 45.6 |
| Kappa | 0.856 | 0.803 | 0.619 | 0.804 | 0.571 |
| Head circumference | |||||
| Fenton | 34.8 | 23.5 | 13.7 | 14.4 | 19.2 |
| IW-21 | 34.8 | 25.9 | 12.6 | 15.9 | 15.4 |
| Kappa | 0.806 | 0.852 | 0.704 | 0.86 | 0.723 |
IUGR, intrauterine growth restriction; EUGR, Extrauterine growth restriction; IW-21, INTERGROWTH-21st; Fenton, Fenton 2013.
*
True EUGR excludes IUGR (denominator IW-21 and Fenton are n = 412 and n = 402, respectively).