Table 4 Correlation between placental grading and presence of free-floating particles in amniotic fluid and distal femoral epiphyses and proximal tibial epiphyses and thalamic echogenicity and colon grading and lung to liver grading, and neonatal RDS
From: Values and validity of fetal parameters by ultrasound and Doppler as markers of fetal lung maturity
Parameter | RDS | Non-RDS | Total | |
|---|---|---|---|---|
Placental grading | ||||
0–I | N (%) | 14 (73.7) | 19 (18.8) | 33 (27.5) |
II | N (%) | 3 (15.8) | 53 (52.5) | 56 (46.7) |
III | N (%) | 2 (10.5) | 29 (28.7) | 31 (25.8) |
Total | N (%) | 19 (100.0) | 101 (100.0) | 120 (100.0) |
Chi-square | χ2 = 24.169, P value = 0.001* | |||
FFP | ||||
+ve | N (%) | 7 (36.8) | 84 (83.2) | 91 (75.8) |
−ve | N (%) | 12 (63.2) | 17 (16.8) | 29 (24.2) |
Total | N (%) | 19 (100.0) | 101 (100.0) | 120 (100.0) |
Chi-square | χ2 = 18.727, P value = 0.001* | |||
DFE | ||||
+ve | N (%) | 3 (15.8) | 91 (90.1) | 94 (78.3) |
−ve | N (%) | 16 (84.2) | 10 (9.9) | 26 (21.7) |
Total | N (%) | 19 (100.0) | 101 (100.0) | 120 (100.0) |
Chi-square | χ2 = 67.553, P value = 0.001* | |||
PTE | ||||
+ve | N (%) | 1 (5.3) | 92 (91.1) | 93 (77.5) |
−ve | N (%) | 18 (94.7) | 9 (8.9) | 27 (22.5) |
Total | N (%) | 19 (100.0) | 101 (100.0) | 120 (100.0) |
Chi-square | χ2 = 64.487, P value = 0.001* | |||
Thalamic echogenicity | ||||
Echogenic | N (%) | 5 (26.3) | 78 (77.2) | 83 (69.2) |
Echolucent | N (%) | 14 (73.7) | 23 (22.8) | 37 (30.8) |
Total | N (%) | 19 (100.0) | 101 (100.0) | 120 (100.0) |
Chi-square | χ2 = 9.036, P value = 0.003* | |||
Colon | ||||
I | N (%) | 2 (10.5) | 8 (7.9) | 10 (8.3) |
II | N (%) | 11 (57.9) | 36 (35.6) | 47 (39.2) |
III | N (%) | 6 (31.6) | 57 (56.4) | 63 (52.5) |
Total | N (%) | 19 (100.0) | 101 (100.0) | 120 (100.0) |
Chi-square | χ2 = 4.029, P value = 0.133 | |||
Lung/liver echogenicity | ||||
Hypo-echoic | N (%) | 7 (36.8) | 45 (44.6) | 52 (43.3) |
Iso-echoic | N (%) | 7 (36.8) | 28 (27.7) | 35 (29.2) |
Hyper-echoic | N (%) | 5 (26.3) | 28 (27.7) | 33 (27.5) |
Total | N (%) | 19 (100.0) | 101 (100.0) | 120 (100.0) |
Chi-square | χ2 = 0.687, P value = 0.709 | |||