Table 1.
Demographic data of 474 patients undergoing 537 procedures.
| Variable | All procedures | Transfusion | No transfusion | P value |
|---|---|---|---|---|
| No. of cases | 537 | 21 | 516 | |
| Age | 71.6 | 77.4 | 71.3 | 0.005 |
| Gender | 0.015 | |||
| Male | 155 | 3 | 152 | |
| Female | 382 | 18 | 364 | |
| Pre-op Hb (g/L) | 132 | 119 | 132 | <0.001 |
| Mean Hb drop (g/l) | 23 | 38 | 22 | <0.001 |
| Pre-op Hct | 0.4 | 0.36 | 0.4 | <0.001 |
| Pre-op Hct | <0.001 | |||
| <0.396 | 235 | 18 | 217 | |
| >0.396 | 302 | 3 | 299 | |
| Laterality | 0.65 | |||
| Right | 300 | 13 | 287 | |
| Left | 237 | 8 | 229 | |
| Procedure | 0.13 | |||
| Anatomic | 235 | 6 | 229 | |
| Reverse | 224 | 14 | 210 | |
| Hemiarthroplasty | 30 | 0 | 30 | |
| Revision | 48 | 1 | 47 | |
| Indication | 0.14 | |||
| OA | 258 | 4 | 254 | |
| Cuff arthropathy | 136 | 8 | 128 | |
| AVN | 16 | 2 | 15 | |
| Acute trauma | 6 | 0 | 6 | |
| Post trauma | 40 | 4 | 36 | |
| RA | 33 | 2 | 31 | |
| Revision | 48 | 1 | 46 | |
| ASA | <0.001 | |||
| 1 | 52 | 0 | 52 | |
| 2 | 259 | 4 | 255 | |
| 3 | 217 | 13 | 204 | |
| 4 | 9 | 4 | 5 |
ASA: American Society of Anaesthesiologist score.