Presentation of results for unadjusted and adjusted analyses (mortality)
| Type of comparison | RBCT vs no RBCT (n=23) | Volume ‘A’ vs Volume ‘B’ (n=5) | Old RBC vs new RBC (n=4) |
|---|---|---|---|
| Summary statistic for each group | |||
| Unadjusted only | 5 (22%) | 2 (40%) | |
| Adjusted only | 1 (4%) | ||
| Both | 7 (30%) | 1 (25%) | |
| Not reported | 10 (44%) | 3 (60%) | 3 (75%) |
| Treatment effect | |||
| Unadjusted only | 1 (4%) | ||
| Adjusted only | 12 (52%) | 5 (100%) | 2 (50%%) |
| Both | 8 (35) | 1 (25%) | |
| Not reported | 2 (9%) | 1 (25) | |
| CI of treatment effect | |||
| Unadjusted only | |||
| Adjusted only | 10 (43%) | 3 (60%) | 2 (50%) |
| Both | 8 (35%) | 1 (25%) | |
| Not reported | 5 (22%) | 2 (40%) | 1 (25%) |
| p Value for treatment effect | |||
| Unadjusted only | 7 (30%) | ||
| Adjusted only | 1 (20%) | ||
| Both | 1 (4%) | 1 (25%) | |
| Not reported | 15 (66%) | 4 (80%) | 3 (75%) |
| Unadjusted analysis* | |||
| Statistically significant | 17 (74%) | 2 (50%) | |
| Statistically non-significant | 1 (4%) | ||
| Not reported | 5 (22%) | 5 (100%) | 2 (50%) |
| Adjusted analysis* | |||
| Statistically significant | 15 (65%) | 2 (40%) | 1 (25%) |
| Statistically non-significant | 7 (31%) | 2 (40%) | 3 (75%) |
| Not reported | 1 (4%) | 1 (20%) |
*Mortality outcome—if >1 time point analysed, the time point with the non-significant result was recorded.
RBCT, red blood cell transfusion.