Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Clin Cases. Sep 6, 2023; 11(25): 5878-5886
Published online Sep 6, 2023. doi: 10.12998/wjcc.v11.i25.5878
Table 1 Baseline information, n (%)
Item
Research group
Control group
P value
Gestational age (d)37.09 ± 1.1237.67 ± 1.870.658
Gender
Male20 (57.1)19 (54.3)0.810
Female15 (42.9)16 (45.7)
Birth weight (g)3456.09 ± 866.703170.33 ± 767.180.453
Table 2 Comparison of treatment of two groups of patients (mean ± SD, n = 70)
Group
Ventilator use time (h)
Treatment time (d)
O2 treatment time (h)
Control group83.28 ± 10.3522.37 ± 6.63131.47 ± 19.32
Research group38.59 ± 8.91a16.20 ± 4.05a92.45 ± 10.13a
Table 3 Comparison of curative effects between two groups of patients [n (%), n = 70]
Group
Cure rate
Improvement rate
Case fatality rate
Control group3 (8.6)27 (77.1)5 (14.3)
Research group14 (40.0)19 (54.3)2 (5.7)
χ29.4014.0581.429
P value0.0020.0440.232
Table 4 Comparison of chest X-ray scores and Apgar scores between two groups of patients
GroupX-ray scores
Apgar scores
Before
After
Before
After
Control group2.98 ± 0.423.45 ± 0.274.12 ± 0.926.17 ± 1.02
Research group3.04 ± 0.393.98 ± 0.35a3.96 ± 0.837.85 ± 0.98a
Table 5 Comparison of complications between the two groups [n (%), n = 70]
Group
Emphysema
Ventilator-associated pneumonia
Intraventricular hemorrhage
Patent ductus arteriosus
Total complications
Control group423313 (37.1)
Research group2114 (11.4)
χ26.293
P value0.012