Clinical significance of peri-appendiceal abscess and phlegmon in acute complicated appendicitis patients undergoing emergency appendectomy

Table 2 Correlation between clinical factors and peri-appendiceal abscess or phlegmon

Characteristic	Peri-appendiceal		χ²	P value
	Abscess	Phlegmon
All patients	151	83
Age (years)1			0.004	0.947
≤ 60	83	46
> 60	68	37
Sex			0.017	0.897
Female	65	35
Male	86	48
Temperature			0.009	0.923
≤ 37 °C	50	28
> 37 °C	101	55
White blood cell count, × 109/L			0.183	0.668
≤ 9.5	44	22
> 9.5	107	61
Granulocyte percentage			0.142	0.557
≤ 80%	36	17
> 80%	115	66
Duration of symptoms			17.663	< 0.001
≤ 72 h	69	71
> 72 h	82	12
Appendicolith			5.908	0.015
Yes	94	38
No	57	45

¹Split at median.