Validation of a pediatric bedside tool to predict time to death after withdrawal of life support

Table 1 Dallas predictor tool score calculation[1]

	30 min predictor (DPT30)	60 min predictor (DPT60)
Model parameter	Point score	Point score
Age 1 mo or younger	-9	-9
Norepi, epi or phenyl > 0.2 mcg/kg per minute	11	10
ECMO	11	17
PEEP > 10 cmH2O	5	11
Spontaneous ventilation	-8	-12
Lowest possible score	-17	-21
Highest possible score	27	38

DPT: Dallas predictor tool; Norepi: Norepinehrine; Epi: Epinephrine; Phenyl: Phenylephrine; ECMO: Extracorporeal membrane oxygenation; PEEP: Positive end-expiratory pressure.

Table 2 Scores for dallas predictor tool 30 min

Cutpoint	Dead (1)	Alive (0)	Total	Sensitivity	Specificity
-17	1	1	2	1.0000	0.00
-9	1	0	1	0.9730	0.04
-8	7	12	19	0.9459	0.04
-3	1	0	1	0.7568	0.52
0	10	7	17	0.7297	0.52
2	2	1	3	0.4595	0.8
3	1	0	1	0.4054	0.84
5	0	2	2	0.3784	0.84
7	1	0	1	0.3784	0.92
8	0	1	1	0.3514	0.92
11	7	1	8	0.3514	0.96
16	6	0	6	0.1622	1.00
Total	37	25	62

Table 3 Scores for dallas predictor tool 60 min

Cutpoint	Dead (1)	Alive (0)	Total	Sensitivity	Specificity
-21	1	1	2	1.0000	0.0
-12	12	7	19	0.9808	0.1
-9	1	0	1	0.7500	0.8
-1	1	0	1	0.7308	0.8
0	15	2	17	0.7115	0.8
1	1	0	1	0.4231	1.0
5	1	0	1	0.4038	1.0
8	2	0	2	0.3046	1.0
10	7	0	7	0.3462	1.0
11	2	0	2	0.2115	1.0
16	1	0	1	0.1731	1.0
17	1	0	1	0.1538	1.0
19	1	0	1	0.1346	1.0
21	3	0	3	0.1154	1.0
28	3	0	3	0.0577	1.0
Total	52	10	62