A clinical prediction model for complicated appendicitis in children younger than five years of age

BMC Pediatrics

Table 2 Multivariate logistic regression analysis for complicated appendicitis (Derivation Sample: n = 382)

Variables	β	SE	0R	95% CI	P value
Age (years)	−1.559	0.208	0.210	0.140–0.316	< 0.001
WBC (*10⁹/L)	0.190	0.036	1.209	1.128–1.297	< 0.001
NEU (*109/L)	−0.101	0.080	0.904	0.773–1.058	0.209
LYMPH (*109/L)	0.099	0.080	1.104	0.944–1.292	0.214
PCT (ug/L)	0.076	0.043	1.079	0.993–1.173	0.072
CRP (mg/L)	0.003	0.003	1.003	0.997–1.009	0.325
DS (hours)	0.010	0.004	1.010	1.002–1.018	0.015
Body temperature (°C)	0.225	0.221	1.253	0.813–1.931	0.308
Migration of pain to RLQ	−0.382	0.542	0.682	0.236–1.975	0.481
Abdominal distention	−0.084	0.380	0.920	0.437–1.935	0.825
Rebound pain	1.263	0.495	3.537	0.840–9.333	0.091
Nausea/ vomiting	1.002	0.633	2.724	0.788–9.417	0.113
Diarrhea	0.828	0.658	2.288	0.630–8.313	0.209
Constant	2.997	0.976	20.026	–	0.002

β: regression coefficient; SE: standard error; OR: odds ratio; 95%CI: 95% confidence interval. WBC white blood cell count, NEUT neutrophil count, LYMPH lymphocyte count, PCT procalcitonin, CRP C-reactive protein, DS duration of symptoms, LRQ right lower quadrant

ISSN: 1471-2431