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Median POD2 blood loss in milliliters (IQR) per ASA group.
| Operation group | ASA1 | ASA2 | ASA3 | P valuea |
|---|---|---|---|---|
| THR | 1497 (1156-1781) | 1423 (1069-1781) | 1672 (1144-1993) | .09 |
| TKR | 1250 (1041-1434) | 1264 (951-1565) | 1433 (1088-1895) | .06 |
| UKR | 565 (NA)b | 648 (463-831) | 667 (543-751) | .95 |
IQR, interquartile range; NA, not applicable.
P value comparing median blood loss across the 3 ASA groups, calculated with independent samples Kruskal-Wallis test.
Only 3 UKR patients graded ASA1.
