APGAR	Appearance, Pulse, Grimace, Activity, Respiration
CI	Confidence Interval
CRP	C-Reactive Protein
DaBT-Hib-IPV	Diphtheria–Acellular Pertussis–Tetanus–Haemophilus influenzae Type B–Inactivated Poliovirus Vaccine
Exp(B)	Odds Ratio
IQR	Interquartile Range
IVH	Intraventricular Hemorrhage
NICU	Neonatal Intensive Care Unit
NLR	Neutrophil-to-Lymphocyte Ratio
RDS	Respiratory Distress Syndrome
SE	Standard Error
SII	Systemic Immune-Inflammation Index
WBC	White Blood Cell