Table 2.
Five-year timeframe | Median dictyocaulosis rates (cases/1000 submissions) | Median ostertagiosis rates (cases/1000 submissions) | Median PGE rates (cases/1000 submissions) |
1980–1984 | 1.00a, b, c | 3.95a, b, c, d, e | 3.21a, b |
1985–1989 | 1.22d, e, f | 1.94 f, g, h, i | 1.83c |
1990–1994 | 1.31 g, h, i | 0.70a, j | 1.60a, d, e, f, g |
1995–1999 | 11.22a, d, g | 0.60b, f | 2.77d, h, I, j |
2000–2004 | 9.35b, e, h, j, k | 0.35 c, g | 3.37e, h |
2005–2009 | 6.18 c, f, i, j | 0.48d, h | 6.21b, c, f, i |
2010–2014 | 3.54k | 0.40e, i, j | 4.32 g, j |
Letters (a–j) refer to significant differences between pairs for each parasitic disease according to the Mann–Whitney U test.