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Table 4 Comparing characteristics of children with and without appendicitis

From: Role of clinical judgment and tissue harmonic imaging ultrasonography in diagnosis of paediatric acute appendicitis

Character With Appendicitis# (n = 179) Without Appendicitis (n = 86) Test (P)
Age (mean ± SD) 141.87 ± 23.584 138.06 ± 30.206 t = 1.12 (0.264)
Gender    X2 = 0.413 (0.520)
   Male 105 (58.7) 54 (62.8)  
   Female 74 (41.3) 32 (37.2)  
Referring Agent    X2 = 0.015 (0.903)
   None 155 (86.6) 74 (86.0)  
   Pediatrician 24 (13.4) 12 (14.0)  
Duration (mean ± SD) 22.54 ± 11.224 24.43 ± 11.051 Z = 1.497 (0.134)
MCPGS (mean ± SD) 14.82 ± 4.185 4.72 ± 3.120 12.393* (< 0.001)
  1. * Significant, P < 0.05.
  2. # include no surgery and surgery with negative histopathology