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Table 2 Comparison of laboratory indices among patients in the different groups (July 2000–June 2005)

From: Diagnosis of enteric fever in the emergency department: a retrospective study from Pakistan

Laboratory indices Blood culture positive for EF, n = 53 Blood culture negative for EF, n = 296  
Number Mean Number Mean p
Hemoglobin (g/dl) 52 13.1 293 13 = 0.8
WBC (× 109/l) 53 5.3 293 6.7 = 0.001
Platelets (× 109/l) 52 166 285 178 = 0.3
Sodium (mmol/l) 52 134 277 134 = 0.9
Potassium (mmol/l) 52 3.7 277 3.8 = 0.4
Chloride (mmol/l) 34 103 191 104 = 0.06
Bicarbonate (mmol/l) 37 22 197 21.6 = 0.5
Creatinine (mg/dl) 47 1.09 255 1.1 = 0.8
Urea (mg/dl) 39 15.2 229 12 = 0.3