Table 3 Multivariable regressions of hospitalization costs per inpatient day and LOS by MCCs category among ACSCs in the AHRQ PQIs
Overall composite (PQI 90) | Acute composite (PQI 91) | Chronic composite (PQI 92) | ||||
|---|---|---|---|---|---|---|
Costs per inpatient daya | Relative costs | 95 % CI | Relative costs | 95 % CI | Relative costs | 95 % CI |
Intercept (dollars per day) | $1937 | $1896 | 2057 | |||
0–1 chronic condition | 1.00 | Ref. | 1.00 | Ref. | 1.00 | Ref. |
2–3 chronic conditions | 1.03 | (1.03–1.03) | 1.01 | (1.00–1.01) | 1.01 | (1.01–1.02) |
4–5 chronic conditions | 1.05 | (1.04–1.05) | 1.01 | (1.01–1.02) | 1.02 | (1.01–1.02) |
6+ chronic conditions | 1.04 | (1.03–1.04) | 1.01 | (1.01–1.02) | 0.99 | (0.99–1.00) |
Length of stay-Model 1a | Relative stay | 95 % CI | Relative stay | 95 % CI | Relative stay | 95 % CI |
Intercept (Days) | 3.88 | 3.86 | 3.86 | |||
0–1 chronic condition | 1.00 | Ref. | 1.00 | Ref. | 1.00 | Ref. |
2–3 chronic conditions | 1.13 | (1.13–1.14) | 1.11 | (1.11–1.12) | 1.17 | (1.16–1.18) |
4–5 chronic conditions | 1.22 | (1.22–1.23) | 1.21 | (1.20–1.22) | 1.24 | (1.23–1.25) |
6+ chronic conditions | 1.23 | (1.22–1.23) | 1.27 | (1.26–1.28) | 1.22 | (1.21–1.23) |
Length of stay-Model 2b | Relative stay | 95 % CI | Relative stay | 95 % CI | Relative stay | 95 % CI |
Intercept (Days) | 2.80 | 2.96 | 2.77 | |||
0–1 chronic condition | 1.00 | Ref. | 1.00 | Ref. | 1.00 | Ref. |
2–3 chronic conditions | 1.15 | (1.15–1.16) | 1.12 | (1.11–1.13) | 1.18 | (1.17–1.20) |
4–5 chronic conditions | 1.24 | (1.23–1.25) | 1.20 | (1.19–1.21) | 1.24 | (1.22–1.25) |
6+ chronic conditions | 1.22 | (1.21–1.23) | 1.25 | (1.24–1.26) | 1.18 | (1.16–1.19) |