Table 7.
Mean haematological parameters before and after transfusion of 2 units of platelet concentrate
| Parameter | Pre Transfusion Mean (M1) ±SD | Post Transfusion Mean (M2) ±SD | Mean Difference (M2-M1) ±SD | 0.95 Confidence Interval of difference | Paired t test | p value |
|---|---|---|---|---|---|---|
| Haemoglobin (g/dL) | 10.4±1.27 | 10.4±1.27 | 0.00 | - | - | - |
| RBC count (millions/mm3) | 3.25±0.64 | 3.25±0.64 | 0.00 | - | - | - |
| Haematocrit (%) | 31.65±4.17 | 31.65±4.17 | 0.00 | - | - | - |
| Total leukocyte count (/mm3) | 12,000±1410 | 11,500±2120 | -500±707 | (-8260)-7260 | 0.28 | >0.05 |
| Platelet count (lakhs/mm3) | 0.40±0.14 | 0.56±0.08 | 0.16±0.06 | (-0.35)-0.67 | 4.00 | >0.05 |
| MCV (fL) | 98.05±6.15 | 98.05±6.15 | 0.00 | - | - | - |
| MCH (pg) | 32.05±2.05 | 32.05±2.05 | 0.00 | - | - | - |
| MCHC (g/dL) | 32.9±0.28 | 32.9±0.28 | 0.00 | - | - | - |
| RDW (%) | 12.7±1.27 | 12.7±1.27 | 0.00 | - | - | - |
| Bleeding time (sec) | 1120±395.98 | 755±120.21 | -365±275.77 | (-2842)-2112 | -1.87 | >0.05 |
| Clotting time (sec) | 470±14.14 | 480±28.28 | 10±14.14 | (-117.06)-137.06 | 1.00 | >0.05 |
| Prothrombin time (sec) | 14±1.14 | 14±1.14 | 0 | - | - | - |
| Clot retraction (%) | 20±7.07 | 35±7.07 | 15±14.14 | (-112.06)-142.06 | 1.50 | >0.05 |