Table 2 General characteristics of included studies
From: Funding source and the quality of reports of chronic wounds trials: 2004 to 2011
All (n = 167) | Leg ulcers (n = 63) | Pressure ulcers (n = 31) | Foot ulcers (n = 57) | |
|---|---|---|---|---|
Journal type | ||||
General medical | 11 (6.6%) | 3 (4.8%) | 4 (13%) | 2 (3.5%) |
Wounds specialty | 57 (34%) | 26 (41%) | 10 (32%) | 13 (23%) |
Non-wounds specialty | 99 (59%) | 34 (54%) | 17 (55%) | 42 (74%) |
Impact factor | ||||
Median (IQ range) | 1.93 (1.21 to 3.01) | 2.38 (1.26 to 3.21) | 1.63 (1.36 to 2.48) | 1.48 (0.799 to 2.90) |
Funding | ||||
Commercial | 58 (35%) | 24 (38%) | 7 (23%) | 16 (28%) |
Mixed | 10 (6.0%) | 3 (4.8%) | 2 (6.5%) | 5 (8.8%) |
Non-commercial | 55 (33%) | 20 (32%) | 14 (45%) | 16 (28%) |
Unclear/not reported | 44 (26%) | 16 (25%) | 8 (26%) | 20 (35%) |
Study design | ||||
Other | ||||
Parallel | 160 (96%) | 58 (92%) | 30 (97%) | 56 (98%) |
7 (4.2%) | 5 (7.9%) | 1 (3.2%) | 1 (1.8%) | |
Study groups a | ||||
2 | 144 (90%) | 52 (90%) | 27(90%) | 51 (91%) |
3 | 14 (8.8%) | 6 (10%) | 2 (6.7%) | 4 (7.0%) |
4+ | 2 (1.3%) | 0 (0.0%) | 1 (3.3%) | 1 (1.8%) |
Intervention | ||||
Bandages/stockings | 14 (8.4%) | 14 (22%) | 0 (0.0%) | 0 (0.0%) |
Dressings/topical Agents | 42 (25%) | 20 (32%) | 10 (32%) | 10 (18%) |
Drugs | 33 (20%) | 8 (13%) | 4 (13%) | 16 (28%) |
Growth factors | 16 (9.6%) | 0 (0.0%) | 0 (0.0%) | 13 (23%) |
Tissue grafts | 11 (6.6%) | 4 (6.3%) | 1 (3.2%) | 5 (8.8%) |
Other | 51 (31%) | 17 (27%) | 16(52%) | 13(23%) |
Comparators | ||||
Placebo | 50 (30%) | 14 (22%) | 12 (39%) | 18 (32%) |
Usual/standard Care | 43 (26%) | 20 (32%) | 8 (26%) | 12 (21%) |
Named comparison | 74 (44%) | 29 (46%) | 11 (35%) | 27 (47%) |