Table 2 The association between deployment to the Gulf War and muscle pain amongst veterans
From: Pain in veterans of the Gulf War of 1991: a systematic review
Study | Period of prevalence estimate | Prevalence GWV | Prevalence NGV | OR (95% CI) | % weight in meta-analysis |
|---|---|---|---|---|---|
Fukuda 1998 | Current symptoms Symptoms for 6 months | 20% 18% | 8% 6% | 2.88 (2.35–3.53) | 15.0 |
Ishoy 1999 | No numerical data | ||||
Kang 2000 | Time period unclear | 33% | 17% | 2.41 (2.25–2.57) | 15.8 |
Knoke 2000 | Current symptoms | 7.1% | 1.8% | 4.10 (2.29–7.36) | 10.8 |
Steele 2000 | Symptoms past 12 months | 21% | 6% | 4.08 (2.67–6.23) | 12.8 |
Gray 2002 | Symptoms past 12 months | 22.6% | DEV 6.9% NDV 5.7% | 3.96 (3.47–4.53) | 15.5 |
Simmons 2004 | Symptoms since 1990 | 2.0% | 0.4% | 5.07 (3.95–6.52) | 14.6 |
Kelsall 2004 | Symptoms past month | 52% | 46% | 1.27 (1.10–1.47) | 15.5 |
Summary OR (95% CI) | 3.06 (2.18–4.30) Heterogeneity χ 2 = 173.1, df = 6, P < 0.001 | ||||