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

Table 3 Pediatric appendicitis score comparison between acute appendicitis and chronic appendicitis groups

Parameter	Acute appendicitis group (n = 51)	Chronic appendicitis group (n = 53)	t value	P value
Alvarado score	7.13 ± 1.72	7.98 ± 1.85	2.427	0.017
AIR score	5.05 ± 2.01	5.91 ± 2.15	2.104	0.038
Imaging findings score	2.07 ± 0.94	2.65 ± 1.01	3.032	0.003
PAS	14.32 ± 3.45	17.71 ± 3.59	4.925	< 0.001

PAS: Pediatric appendicitis score.