|
Analysis of variance for the SAPS scores for ICU patients according to presence of infection on ICU admission and/or ICU-acquired infection |
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| Source of variation |
df |
SS |
MS |
F |
P |
|
|
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| Between infections |
3 |
1780.2 |
593.4 |
2.84 |
0.038 |
| Error (within infections) |
396 |
82,730.7 |
208.9 |
||
| Total |
399 |
84,509.9 |
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|
The P value of 0.038 indicates a significant difference between at least two of the infection means. df, degrees of freedom; F, test statistic; ICU, intensive care unit; MS, mean squares; SAPS, Simplified Acute Physiology Score; SS, sums of squares. | |||||
Bewick et al. Critical Care 2004 8:130 doi:10.1186/cc2836 |
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