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Table 1 Baseline demographics of the study cohort

From: Randomized control trial comparing an Alvarado Score-based management algorithm and current best practice in the evaluation of suspected appendicitis

 Intervention arm (n = 80)Usual care arm (n = 80)P value
Gender (%)  0.101
 Male24 (30.0)35 (43.8) 
 Female56 (70.0)45 (56.3) 
Ethnic group  0.099
 Chinese35 (43.8)43 (53.8) 
 Malay17 (21.3)23 (28.8) 
 Indian15 (18.8)9 (11.3) 
 Others13 (16.3)5 (6.3) 
Mean age ± SD38.2 ± 13.738.7 ± 12.80.830
ASA score  0.888
 ASA 1—Normal healthy patient32 (40.0)35 (43.8) 
 ASA 2—Mild systemic disease45 (56.3)42 (52.5) 
 ASA 3—Severe systemic disease3 (3.8)3 (3.8) 
White cell count, × 109/L, mean (SD)11.8 ± 3.812.4 ± 4.90.350
Duration of symptoms (days)2.7 ± 2.32.6 ± 1.70.788
Alvarado Score Distribution  0.041
 10 (0.0)1 (1.3) 
 21 (1.3)2 (2.5) 
 32 (2.5)9 (11.3) 
 415 (18.8)14 (17.5) 
 524 (30.0)11 (13.8) 
 615 (18.8)16 (20.0) 
 715 (18.8)11 (13.8) 
 88 (10.0)12 (15.0) 
 90 (0.0)4 (5.0) 
 100 (0.0)0 (0.0) 
Surgery performed32 (40.0)30 (37.5)0.871
Types of surgery performed  0.468
 Open appendectomy2 (2.5)0 (0.0) 
 Laparoscopic appendectomy25 (31.3)22 (27.5) 
 Diagnostic laparoscopy4 (5.0)5 (6.3) 
 Others1 (1.3)3 (3.8)