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Result of paired samples t test for Hct and Hgb.
| Mean | Std. deviation | Std. error mean | 95% Confidence interval of the difference | t | df | p | ||
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Hctpre ‐ Hctpost | 3.920 | 2.228 | 0.312 | 3.293 | 4.546 | 12.563 | 50 | 0.000 |
| Hgbpre ‐ Hgbpost | 13.529 | 8.149 | 1.141 | 11.237 | 15.821 | 11.856 | 50 | 0.000 |
Abbreviations: Hct, hematocrit; Hgb, hemoglobin; pre, preoperative; post, postoperative
*p < 0.05
*Dependent variable: Changes of Hct and Hgb (ml).
