Variable | Period | N | Mean (SD) | t-test | Mean difference |
---|---|---|---|---|---|
P-value | CI | ||||
Hb (g/dL) | Baseline | 351 | 9.4 (1.8) | 10.80 | 1.8 |
Follow-up | 161 | 11.3 (1.9) | <0.001c | 1.5-2.2 | |
Hct (%) | Baseline | 351 | 31.3 (5.0) | 5.94 | 2.9 |
Follow-up | 161 | 34.2 (5.3) | <0.001c | 1.9-3.9 | |
MCH (pg) | Baseline | 333 | 19.0 (7.8) | 9.86 | 6.6 |
Follow-up | 140 | 25.6 (2.4) | <0.001c | 5.3-7.9 | |
MCHC (g/dL) | Baseline | 334 | 304.8 (58.3) | 4.66 | 23.2 |
Follow-up | 140 | 328.0 (14.8) | <0.001c | 13.4-33.1 | |
MCV (fl) | Baseline | 334 | 64.7 (32.1) | 4.92 | 13.5 |
Follow-up | 140 | 78.2 (6.2) | <0.001c | 8.1-18.9 | |
RBC × 1012/L | Baseline | 328 | 5.7 (2.0) | -6.4 | -1.1 |
Follow-up | 138 | 4.5 (0.7) | <0.001c | - 1.5 - -0.8 |