Systemic immune-inflammation index combined with pediatric appendicitis score in assessing the severity and prognosis for paediatric appendicitis

Table 1 Comparison of demographic characteristics between acute appendicitis and chronic appendicitis groups

Demographic characteristic	Acute appendicitis group (n = 51)	Chronic appendicitis group (n = 53)	t value	P value
Age (years)	9.75 ± 2.14	9.48 ± 2.05	0.654	0.515
Gender (male/female), n (%)	26 (50.98)/25 (49.02)	29 (54.72)/24 (45.28)	0.034	0.853
BMI (kg/m2)	18.52 ± 3.21	18.76 ± 3.45	0.367	0.714
Duration of symptoms (days)	2.61 ± 1.73	30.15 ± 2.66	62.809	< 0.001
Mode of delivery, n (%)
Vaginal delivery, n (%)	29 (56.86)	29 (54.72)	0.001	0.982
Cesarean section, n (%)	22 (43.14)	24 (45.28)