Table 1 Baseline characteristics of patients in the training and test cohorts
From: Exploring the diagnostic value of ultrasound radiomics for neonatal respiratory distress syndrome
Characteristics | Training cohort(n = 120, %) | Test cohort(n = 30, %) | χ2 /Z | P | |
|---|---|---|---|---|---|
Age, day [M(P25, P75)] | 263(216, 277) | 264(228, 277) | -0.634 | 0.526 | |
Weight, g [M(P25, P75)] | 2860(1500, 3565) | 2925(1950, 3413) | -0.115 | 0.908 | |
Male | 86(71.7) | 19(63.3) | 0.794 | 0.373 | |
Eutocia | 62(51.6) | 16(53.3) | 0.027 | 0.870 | |
History of intrauterine distress | 16(13.3) | 0(0) | 3.188 | 0.870 | |
History of asphyxia | 30(25) | 5(16.7) | 0.932 | 0.074 | |
Gestational diabetes mellitus | 27(22.5) | 7(23.3) | 0.010 | 0.334 | |
Pregnancy-induced hypertension | 5(4) | 1(3) | 0.010 | 0.922 | |
History of glucocorticoid use | 35(29.2) | 7(23.3) | 0.405 | 0.755 | |