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

Table 1 Baseline characteristics of the patients

Factor	n	%
All patients	122	100
Sex
Female	59	48.4
Male	63	51.6
Pain location
Periumbilical pain	31	25.4
Upper abdominal pain	22	18.0
Right lower abdominal pain	69	56.6
Nausea and vomiting
Nausea	42	34.4
Vomiting	29	23.8
Nausea + vomiting	42	34.4
Body temperature
< 38 °C	91	74.6
≥ 38 °C	31	25.4
WBC count
< 9.5 × 109/L	29	23.8
9.5-15 × 109/L	61	50.0
≥ 15 × 109/L	32	26.2
Percentage of neutrophils
< 90%	85	69.7
≥ 90%	37	30.3
Comorbidities
Diabetes	19	15.6
Hypertension	71	58.2
Coronary heart disease	36	29.5
Previous surgery
Rectal cancer surgery	3	2.6
Stomach surgery	2	1.6
Small intestine surgery	1	0.8
CT scan
Appendicolith	46	37.7

WBC: White blood cell; CT: Computed tomography.