Table 1 Baseline characteristics of included trials.
Lead Author | Year | Country | Funding | Experimental Group | Control Group | Outcomes reported | Follow-up | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean age (years) | % Males | n | Lost/missing data | Mean age (years) | % Males | n | Lost/missing data | ||||||
Andersen | 2000 | Denmark | Corporate, Industry & Federal | 68.9 | 38.1 | 44 | 6 | 71.5 | 31.0 | 33 | 4 | Radiographic fusion rate, Dallas Pain Questionnaire, SF-36, Low Back Pain Rating Scale, walking distance | 24 months |
Foley | 2008 | U.S.A | None | 46.9 | 55.2 | 122 | 41 | 46.7 | 53.1 | 118 | 42 | Radiographic fusion rate, Mean visual analog scale, mean neck disability index, SF-12 physical health mean score | 12 months |
Goodwin | 1999 | U.S.A | Bioelectron Inc. | 45 | 56.5 | 85 | 79 | 40.0 | 52.1 | 94 | 79 | Radiographic & clinical fusion rate | 12 months |
Jenis | 2000 | U.S.A | N.R | 53.0 (PEMF) 51.0 (DC) | 50.0 (PEMF) 41.2 (DC) | 22 (PEMF) 17 (DC) | 0 | 47.1 | 63.6 | 22 | 0 | Radiographic fusion grade, fusion mass bone density | 12 months |
Kane | 1988 | U.S.A | N.R | N.R | N.R | 31 | N.R | N.R | N.R | 28 | N.R | Radiographic fusion rate | 18 months |
Linovitz | 2002 | U.S.A | Corporate & Industry | 56.77 | 40.8 | 97 | 21 | 56.6 | 36.4 | 104 | 21 | Radiographic fusion rate | 9 months |
Mooney | 1999 | U.S.A | N.R | 37.9 | 55.1 | 98 | 9 | 37.6 | 52.5 | 97 | 2 | Radiographic fusion rate | 12 months |
