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Table 7 The Danish Regions Pediatric triage as a screening tool to detect A) the most ill children and B) those who went home with no treatment. Both divided by reasons for referral

From: The danish regions pediatric triage model has a limited ability to detect both critically ill children as well as children to be sent home without treatment – a study of diagnostic accuracy

  Neurological reasons for referral Respiratory reasons for referral Abdominal and urological reasons for referral Fever as reason for referral Other reasons for referral
A
Ability to detect critically ill patients
 Number of patients
  True positive 1 1 0 0 3
  True negative 60 125 143 58 131
  False positive 3 19 3 7 5
  False negative 1 3 2 3 12
 Screening values
  Sensitivity 50% (1-99) 25% (1-81) 0% (0-84) 0% (0-71) 20% (4-48)
  Specificity 95% (87-99) 87% (80-92) 98% (94-100) 89% (79-96) 96% (92-99)
  PPV 25% (1-81) 5% (0-25) 0% (0-71) 0% (0-41) 38% (9-76)
  NPV 98% (91-100) 98% (93-100) 99% (95-100) 95% (86-99) 92% (86-96)
  Accuracy 94% (88-100) 85% (79-91) 97% (94-100) 85% (77-94) 89% (84-94)
 Likelihood ratios
  of positive test 10.5 (1.8-61.8) 1.9 (0.3-10.9) 0.0 0.0 5.4 (1.4-20.5)
  of negative test 0.5 (0.1-2.1) 0.9 (0.5-1.5) 1.0 (1.0-1.1) 1.1 (1.0-1.2) 0.8 (0.6-1.1)
B
Ability to detect patients who went home with no treatment
 Number of patients
  True positive 11 30 40 6 50
  True negative 22 34 37 26 36
  False positive 28 75 39 33 44
  False negative 4 9 32 3 21
 Screening values
  Sensitivity 28% (15-45) 29% (20-38) 51% (39-62) 15% (6-31) 53% (43-64)
  Specificity 85% (65-96) 79% (64-90) 54% (41-66) 90% (73-98) 63% (49-76)
  PPV 73% (45-92) 77% (61-89) 56% (43-67) 67% (30-93) 70% (58-81)
  NPV 44% (30-59) 31% (23-41) 49% (37-60) 44% (31-58) 45% (34-57)
  Accuracy 51% (38-63) 43% (35-51) 52% (44-60) 47% (35-59)  
 Likelihood ratios
  of positive test 1.8 (0.7-5.1) 1.4 (0.7-2.6) 1.1 (0.8-1.5) 1.5 (0.45.5) 1.4 (10-2.1)
  of negative test 0.9 (0.7-1.1) 0.9 (0.7-1.1) 0.9 (0.7-1.3) 0.9 (0.8-11) 0.7 (0.6-1.0)
  1. 95%-confidence intervals are indicated in brackets