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Table 2 Clinical parameters compared according to outcome

From: Lactic acid level as an outcome predictor in pediatric patients with intussusception in the emergency department

 Poor outcome (n = 50)Good outcome (n = 199)P
Age, years1.92 [1.17, 3.10]1.83 [1.08, 2.67].418
Male, n (%)35 (70.0)124 (62.3).329
Symptoma
 Abdominal pain/irritability, n (%)43 (86.0)164 (82.4).762
 Vomiting, n (%)21 (42.0)75 (37.7).627
 Blood-tinged stool, n (%)7 (14.0)34 (17.1).675
Time between symptom onset and hospital visit (hours)8.50 [2.00, 38.00]7.00 [3.00, 24.00].459
Time between symptom onset and air reduction (hours)10.50 [4.00, 39.00]9.00 [5.00, 25.00].425
Venous blood gas analysis
 pH7.39 [7.36, 7.43]7.41 [7.38, 7.45].001
 Lactic acid (mmol/L)1.70 [1.30, 2.33]1.30 [1.08, 1.70]< .001
 Bicarbonate (mmol/L)20.70 [19.25, 22.65]21.80 [20.00, 23.50].036
  1. Results are presented as medians [interquartile range] and numbers (%)
  2. a Multiple symptoms were listed if more than one was described by the patient or parents