. 2016 Dec 1;2016:5697692. doi: 10.1155/2016/5697692

Table 2.

Demographics, duration of symptoms, and clinical data in patients with ultrasound for suspicion of appendicitis.

	Appendicitis (N = 125)	Not appendicitis (N = 313)
Age (years)	8.8 ± 3.5	8.4 ± 3.2
Gender (M/F)	74/51	163/150
Duration of symptoms (h)	46 ± 34	53 ± 41
PAS (0–10)	6.4 ± 1.6	3.8 ± 1.7
CRP (mg/L)	25 (5–431)^a	5 (5–382)^b

Values presented as mean ± SD (standard deviation) or median (min–max); PAS: pediatric appendicitis score; CRP: C-reactive protein; patients lacking PAS (N = 36) or CRP (N = 15) were not included; a: 24 patients with normal value; b: 164 patients with normal value.