Leaving no stone unturned: Impact of appendicolith and characteristics on long-term recurrence after non-operative appendicitis

Table 2 Focused analysis of appendicolith characteristics on recurrence vs non-recurrence, n (%)

Variable		Total (n = 68)	Non-recurrence (n = 50)	Recurrence (n = 18)	P value
Number of appendicolith	1	53 (77.9)	41 (82)	12 (66.7)	0.18
	2	14 (20.6)	8 (16)	6 (33.3)
	3	1 (1.5)	1 (2)	0 (0)
Appendicolith location	Proximal third	22 (32.4)	18 (36)	4 (22.2)	0.69
	Mid third	16 (23.5)	10 (20)	6 (33.3)
	Distal third	25 (36.9)	18 (36)	7 (38.9)
Second appendicolith location	Proximal	4 (5.9)	3 (6)	1 (5.6)	0.80
	Mid	5 (7.4)	2 (4)	3 (16.7)
	Distal	5 (7.4)	3 (6)	2 (11.1)
Appendicolith size (mm)	Length	7.1 ± 3.7	7.3 ± 3.9	6.6 ± 3.1	0.68
	Width	4.2 ± 2.4	4.3 ± 2.7	3.7 ± 1.2	0.93
	Length to size ratio	1.8 ± 0.4	1.8 ± 0.6	1.8 ± 0.8	0.52
Second appendicolith size length (mm)		4.7 ± 1.8	5.5 ± 1.7	3.6 ± 1.4	0.02
Second sppendicolith size wide (mm)		2.8 ± 0.9	3.1 ± 1	2.4 ± 0.8	0.36
Largest diameter of appendix on imaging modality (mm)		10.2 ± 1.4	10.2 ± 1.2	10.3 ± 1.5	0.64