Table 2 Blood loss evaluation methods tested in the 29 quantitative studies
Methods | Number of Studies | Name of Lead Researcher |
|---|---|---|
Visual estimation | 9 | Bose, Buckland, Dildy, Glover, Maslovitz, Toledo, Toledo, Toledo, Yoong |
Visual estimation and spectrophotometry | 7 | Brant, Brant, Duthie, Duthie, Larsson, Newton, Razvi |
Weighed blood loss and spectrophotometry | 1 | Kavle |
Visual estimation and gravimetric (weighed) | 1 | Al Kadri |
Visual estimation, blood collection bag and spectrophotometry | 1 | Patel |
Visual estimation and maternal haematocrit | 3 | Gharoro, Stafford, Wangwe |
Blood collection bag and maternal haematocrit | 1 | Tixier |
Clinical diagnosis and haemoglobin | 1 | Dupont |
Clinical diagnosis and blood collection bags | 1 | Audureau |
Visual estimation and blood collection bag | 1 | Zhang |
Mulitfaceted – audit, protocol and training | 1 | Denaux-Tharaux |
Audit and training | 2 | Dupont, Rizvi |