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

	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)

95%-confidence intervals are indicated in brackets