Table 2. Relationship between components of the ProVent model and total medical costs per person and outcomes during ICU and total hospital stay.
| Categorical variable | ICU stay | Total hospital stay (ICU and general ward) | ||
|---|---|---|---|---|
| Costs (USD) | Length of stay (day) | Cost (USD) | Length of stay (day) | |
| Age, yr | ||||
| <50 (n=66) | 42,731 (13,605–204,829)* | 49 (21–394)* | 48,000 (13,605–204,829)* | 57 (21–387)* |
| 50–64 (n=97) | 35,753 (15,337–153,172)† | 41 (21–155)† | 44,775 (18,615–174,779) | 57 (24–384) |
| ≥65 (n=139) | 32,182 (9,913–95,888)† | 37 (15–139)† | 37,621 (15,496–117,001)† | 41 (22–227)† |
| Thrombocytopenia | ||||
| Yes (n=95) | 36,237 (9,913–204,829)* | 35 (18–99)† | 40,114 (18,985–204,829) | 38 (22–384)† |
| No (n=207) | 34,783 (11,111–135,318)† | 42 (15–394)* | 41,286 (13,605–135,318) | 55 (22–387)* |
| Required vasopressors | ||||
| Yes (n=83) | 32,663 (9,913–135,318) | 31 (18–201)† | 37,732 (13,605–135,318) | 33 (21–220)† |
| No (n=219) | 36,156 (11,111–204,829) | 42 (15–394)* | 43,191 (15,496–204,829) | 56 (22–387)* |
| Required hemodialysis | ||||
| Yes (n=31) | 57,864 (19,258–204,829)* | 36 (23–201) | 62,460 (19,258–204,829)* | 37 (24–384)† |
| No (n=271) | 33,509 (9,913–153,172)† | 40 (15–394) | 39,669 (13,605–174,779)† | 51 (21–387)* |
Values are presented as median (range).
*,†Values recorded as superscript * have significantly higher medical costs compared to other vaules(s) recorded as superscript † (p<0.05).
ICU: intensive care unit; USD: U.S. dollars.