Table 1.

Characteristics among inpatient hospital stays for ambulatory care sensitive conditions included in the AHRQ PQIs

Characteristic	Overall composite (PQI 90)	Acute composite (PQI91)	Chronic composite (PQI 92)
Discharges (n)
Total (weighted)	3,580,785	1,402,097	2,178,765
Mean cost per discharge (USD)	$8085	$7551	$8431
Mean Length of Stay (days)	4.4	4.3	4.4
Discharges (%)
Without MCC (0–1 chronic condition)	13.2	21.8	7.7
2–3 chronic conditions	33.7	37.8	31.0
4–5 chronic conditions	35.3	30.1	38.7
6+ chronic conditions	17.8	10.2	22.6
Age (%)
18–39 years	8.9	8.9	8.9
40–64 years	33.2	26.7	37.5
65+ years	57.8	64.3	53.6
Sex (%)
Male	43.7	39.2	46.6
Female	56.3	60.8	53.4
Race/ethnicity (%)
White non-Hispanic	69.3	76.0	65.0
African American non-Hispanic	17.5	11.3	21.5
Hispanic (of any race)	9.2	8.7	9.5
API non-Hispanic	1.5	1.6	1.5
Other non-Hispanic	2.4	2.4	2.5
Patient location (%)
Metropolitan; micropolitan	90.7	89.1	91.7
Non-metro-; Non-micropolitan	9.3	10.9	8.3
Primary expected payer (%)
Private insurance	15.8	16.6	15.2
Medicare	63.8	67.2	61.6
Medicaid	11.4	8.8	13.0
Other insurance	2.5	2.2	2.7
Uninsured/self-pay/no charge	6.6	5.2	7.5
Discharge status
Missing	0.02	0.02	0.02
Home or self-care	61.32	58.08	63.41
Short-term hospital	2.02	1.71	2.22
Other type of facility	17.28	22.29	14.06
Home health care	16.05	14.86	16.82
Against medical advice	1.61	1.06	1.97
Died in hospital	1.65	1.94	1.47
Alive; destination unknown	0.04	0.04	0.04

Abbreviations: API Asian Pacific Islander, MCC multiple chronic condition, PQI Prevention Quality Indicator

Source: Agency for Healthcare Research and Quality, Healthcare Cost and Utilization Project, State Inpatient Databases, 2012