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 | 15% 13% | 7% 5% | 2.33 (1.87–2.91) | 18.3 |
Proctor 1998 | Symptoms past month | FD 6% NO 3% | 0% | ||
Unwin 1999 | Symptoms past month | 25.3% | Bosnia 13.2% Era 11.8% | 2.53 (2.19–2.93) | 27.7 |
Knoke 2000 | Current symptoms | 20.2% | 10.6% | 2.79 (1.61–4.84) | 4.5 |
Cherry 2001 | Symptoms past month | Mean score approx 3.7 | Mean score approx 2.0 | ||
Gray 2002 | Symptoms past year | 16.0% | DEV 6.1% NDV 5.1% | 2.93 (2.54–3.39) | 28.0 |
Simmons 2004 | Symptoms since 1990 | 1.7% | 0.8% | 2.14 (1.77–2.60) | 21.5 |
Summary OR (95% CI) | 2.52 (2.23–2.85) Heterogeneity χ 2 = 7.4, df = 4, P = 0.115 |