TABLE 6.
Summary of parameters examined for patients with the same virus isolated in years 1 and 2
| Virus isolated | Parameter | Mn of yr 1 | SD of yr 1 | Mean of yr 2 | SD of yr 2 | Difference between yrs 1 and 2b | P |
|---|---|---|---|---|---|---|---|
| Influenza A | No. of patients | 7 | 15 | NAa | |||
| Age (yr) | 67.9 | 10.5 | 70.2 | 13.5 | +2.3 | 0.69 | |
| Turnaround time (day) | 2.5 | 1.7 | 0.4 | 0.5 | −2.1 | 0.02 | |
| Mortality rate (%) | 14 | NA | 13 | NA | −1 | 0.95 | |
| Length of stay (day) | 11.1 | 10.4 | 8.1 | 5.3 | −3.0 | 0.36 | |
| Total cost ($) | 15,489 | 19,089 | 8,040 | 6,353 | −7,449 | 0.18 | |
| Variable cost ($) | 6,916 | 9,049 | 3,045 | 2,630 | −3,871 | 0.13 | |
| RSV | No. of patients | 1 | 7 | NA | |||
| Age (yr) | 0.2 | 0 | 0.9 | 0.1 | +0.7 | 0.0004 | |
| Turnaround time (day) | 0.8 | 0 | 0.3 | 0.6 | −0.5 | 0.39 | |
| Mortality rate (%) | 0 | NA | 0 | NA | 0 | NA | |
| Length of stay (day) | 2.0 | 0 | 1.1 | 0.4 | −0.9 | 0.08 | |
| Total cost ($) | 3,085 | 0 | 1,719 | 513 | −1,367 | 0.05 | |
| Variable cost ($) | 1,202 | 0 | 724 | 251 | −478 | 0.13 |
a
NA, not applicable.
b
−, decrease was seen in year 2; +, increase was seen in year 2.