Development and Initial Psychometric Evaluation of the Post-Acute Acuity Rating for Children

Table 2

Characteristics of samples for concurrent and predictive validity analyses.

	⁢Concurrent validity		Predictive validity
	Clinician opinion and Complexity Index	APR-DRGs
Total sample ()	44	82	30
Gender (males, %)	25 (57%)	37 (45%)	17 (57%)
Age at admission (years)	5.62 (6.62)	3.68 (5.30)	5.08 (6.53)
	0.03–21.52	0.01–20.99	0.03–19.1
Age at discharge (years)	N/A	3.85 (5.28)	5.67 (6.52)
		0.07–21.12	0.7–19.18
Length of stay in post-acute care (days)		61.24 (70.78)	33.33 (20.72)
		4–400	6–74
PAARC levels
Level 1.1 (noncomplex infant)	2 (5%)	10 (12%)	2 (7%)
Level 1.2 (noncomplex child)	2 (5%)	0 (0%)	1 (3%)
Level 2 (active rehabilitation)	2 (7%)	16 (20%)	0 (0%)
Level 3.11 (medically complex infant: 1-2 systems)	4 (9%)	3 (4%)	4 (13%)
Level 3.12 (medically complex infant: 3+ systems)	2 (5%)	14 (17%)	1 (3%)
Level 3.21 (medically complex child: 1-2 systems)	6 (14%)	2 (2%)	5 (17%)
Level 3.22 (medically complex child: 3+ systems)	3 (7%)	5 (6%)	2 (7%)
Level 4.1 (noninvasive ventilation infant)	5 (11%)	7 (9%)	3 (10%)
Level 4.2 (noninvasive ventilation child)	2 (5%)	0 (0%)	2 (7%)
Level 5.10 (invasive ventilation infant)	4 (9%)	13 (16%)	4 (13%)
Level 5.20 (invasive ventilation child)	11 (25%)	12 (15%)	6 (20%)

Mean (SD) range.