Table 2 Characteristics of selected studies for continuous variable meta-analysis
From: Albumin and surgical site infection risk in orthopaedics: a meta-analysis
First author, Year | Country | Study design | Age (year) | Year of operation | Time of infection | Type of surgery | Infection group | No infection group | NOS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
N | albumin | N | higher albumin | ||||||||
Lena Gunningberg, 2008 [20] | Sweden | Cohort | 66.6 ± 10.1 | 9/2004–4/2005 | 30 days | Orthopaedic surgery Thoracic surgery | 6 | 39.5 ± 1.0 | 88 | 42.2 ± 4.0 | 8 |
M. Hedstrom1, 1998 [7] | Sweden | Cohort | infection:82 ± 11; non-infection 81 ± 9 | 1993–1994 | 30 days | femoral neck fractures with two Olmed cancellous bone screws | 13 | 38 ± 5 | 415 | 37 ± 4 | 7 |
George N. Guild MD, 2012 [17] | US | Cohort | not mentioned | 1/2001–5/2007 | 30 days | orthopaedic trauma surgery | 15 | 31.6 ± 3.6 | 49 | 35.2 ± 3.8 | 6 |
Lan B.MC Phee, 1998 [9] | Australia | Cohort | infection 54 ± 13, primary 53 ± 17 | 1/1984–5/1995 | not mentioned | spine metastases | 14 | 36.5 ± 5.2 | 56 | 39.7 ± 4.8 | 6 |