Retrospective Study
Copyright ©The Author(s) 2024.
World J Clin Cases. Sep 16, 2024; 12(26): 5901-5907
Published online Sep 16, 2024. doi: 10.12998/wjcc.v12.i26.5901
Table 1 Single-factor analysis of full-term low-birth-weight, n (%)
Factor
Low-weight group
Normal group
t/χ2 value
P value
Maternal age (years) (mean ± SD)28.24 ± 4.0928.14 ± 4.390.6850.495
Maternal education level14.628< 0.001
Junior high school and below 27 (43.55)392 (22.63)
High school and above35 (56.45)1340 (77.37)
Frequency of prenatal examination (times) (mean ± SD)10.01 ± 0.3510.57 ± 0.398.278< 0.001
Weight gain during pregnancy
Insufficient37 (59.68)119 (6.87)210.361< 0.001
Suitable21 (33.87)1412 (81.52)
Overweight4 (6.45)201 (11.61)
Calcium supplementation during pregnancy15.232< 0.001
Rule13 (20.97)798 (46.07)
Irregularity49 (79.03)934 (53.93)
Pregnancy hypertension syndrome12.162< 0.001
Yes9 (14.52)81 (4.68)
No53 (85.48)1651 (95.32)
Gestational diabetes0.5480.459
Yes7 (11.29)254 (14.67)
No55 (88.71)1478 (85.33)
Pregnancy complicated with thyroid disease0.2540.614
Yes4 (6.45)87 (5.02)
No58 (93.55)1645 (94.98)
Fetal distress1.3860.239
Yes8 (12.90)149 (8.60)
No54 (87.10)1583 (91.40)
Premature rupture of membranes2.5470.110
Yes6 (9.68)88 (5.08)
No56 (90.32)1644 (94.92)
Oligohydramnios2.9680.085
Yes5 (8.06)65 (3.75)
No57 (91.94)1667 (96.25)
Gestational weeks at delivery (weeks) (mean ± SD)38.43 ± 0.9638.72 ± 1.131.5150.132
Neonatal sex2.8820.090
Male22 (35.48)804 (46.42)
Female40 (64.52)928 (53.58)