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Table 2 Patient characteristics

From: Predictive ability of CT findings in the differentiation of complicated and uncomplicated appendicitis: a retrospective investigation of 201 patients undergone appendectomy at initial admission

Characteristics All patients (n = 201) Uncomplicated appendicitis (n = 106) Complicated appendicitis (n = 95) p value
Gender
 Male 68 (33.8) 34 (32.1) 34 (35.8) 0.578
 Female 133 (66.2) 72 (67.9) 61 (64.2)  
Age (years), mean ± SD 53.6 ± 19.9 49.3 ± 19.4 58.5 ± 19.6 0.001
BMI, mean ± SD 23.5 ± 4.86 23.7 ± 4.4 23.3 ± 3.4 0.556
 < 18.5 19 (9.5) 11 (10.4) 8 (8.4) 0.412
 18.5–24.9 119 (59.2) 57 (53.8) 62 (65.3)  
 > 25 63 (31.3) 38 (35.8) 25 (26.3)  
Symptoms and signs
 RLQ tenderness 196 (97.5) 104 (98.1) 92 (96.8) 0.669
 Temperature (°C) 37.4 ± 0.8 37.3 ± 0.7 37.6 ± 0.9 0.002
 Rebound tenderness 92 (45.8) 44 (41.5) 48 (50.5) 0.200
 Migration of pain 85 (42.3) 53 (50.0) 32 (33.7) 0.019
 Anorexia 99 (49.3) 45 (42.5) 54 (56.8) 0.042
 Nausea or vomiting 117 (58.2) 57 (53.8) 60 (63.2) 0.178
Laboratory results
 WBC count (cells/mm3) 13,549 (3870–26,500) 12,810 (4680–24,670) 13,340 (3870–26,560) 0.470
 Neutrophilia (%) 80.7 (28.6–95.7) 80.7 (38.0–95.7) 84.8 (28.6–95.2) 0.003
Alvarado score
 0–4 17 (8.5) 9 (8.5) 8 (8.4) 0.071
 5–8 162 (80.6) 91 (85.8) 71 (74.7)  
 9–10 22 (10.9) 6 (5.7) 16 (16.8)  
Duration of symptom (h), median (min, max) 24 (2–480) 16 (2–72) 48 (4–480) < 0.001
Time from CT to surgery (h), median (min, max) 3 h 48 m (20 m–30 h) 3 h 48 m (24 m–30 h) 3 h 24 m (20 m–30 h) 0.651
 < 6 h 157 (78.1) 79 (74.5) 78 (82.1) 0.574
  1. RLQ: Right lower quadrant
  2. Those in brackets represent percentage unless specified otherwise