Clinical significance of appendicoliths in elderly patients over eighty years old undergoing emergency appendectomy: A single-center retrospective study

Table 4 Correlation between surgical factors and appendicolith, n (%)

Factor	Appendicolith		P value
	Yes	No
Surgery method			0.013a
Laparoscopic appendectomy	44	57
Conversion to open appendectomy	1	14
Open appendectomy	1	5
Pathology			0.199
Acute simple appendicitis	1	5
Acute suppurative appendicitis	6	23
Acute gangrenous appendicitis	39	48
Appendiceal gangrene			0.010a
Yes	39	48
No	7	28
Appendiceal perforation			0.044a
Yes	31	37
No	15	39
Peri-appendiceal abscess			0.391
Yes	8	9
No	38	67
SSI			0.223
Superficial incisional SSI	4	2
Deep incisional SSI	1	1
Organ or space SSI	1	0
Postoperative pneumonia	4 (8.7)	3 (3.9)	0.274
Length of hospital stays, median (IQR) (d)	5.0 (4.0-7.0)	5.0 (4.0-7.5)	0.957

^aP < 0.05.

SSI: Surgical site infections; IQR: Interquartile range.