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Table 1 Annual trends of malaria positivity rates at Adi Arkay health centre from 1997 to 2013, Adi Arkay Town, Ethiopia

From: A 17-year trend analysis of malaria at Adi Arkay, north Gondar zone, Northwest Ethiopia

Year Total no. of blood films examined Total no. of malaria cases (%) P. falciparum cases (%) P. vivax cases (%) Mixed (%)
1997 380 180 (47.4) 124 (32.6) 48 (12.6) 8 (2.1)
1998 695 326 (46.9) 267 (38.4) 55 (7.9) 4 (0.6)
1999 626 299 (47.8) 231 (36.9) 62 (9.9) 6 (1)
2000 230 105 (45.6) 77 (33.3) 28 (12.1) 0 (0.2)
2001 811 418 (51.5) 319 (39.3) 93 (11.5) 6 (0.8)
2002 1495 665 (44.5) 520 (34.8) 135 (9.0) 10 (0.7)
2003 1272 563 (44.3) 432 (34) 117 (9.2) 13 (1)
2004 618 260 (42) 184 (29.8) 70 (11.3) 6 (0.9)
2005 2592 980 (37.8) 728 (28.1) 251 (9.7) 0 (0)
2006 1665 636 (38.2) 463 (27.8) 160 (9.6) 13 (0.8)
2007 914 314 (34.4) 211 (23.1) 101 (11.1) 2 (0.2)
2008 979 319 (32.6) 234 (23.9) 85 (8.7) 0 (0)
2009 369 98 (26.6) 51 (13.8) 47 (12.7) 0 (0)
2010 743 222 (29.9) 122 (16.4) 96 (12.9) 4 (0.5)
2011 1458 424 (29.1) 286 (19.6) 136 (9.3) 1 (0.1)
2012 2155 640 (29.7) 356 (16.5) 254 (11.8) 30 (1.4)
2013 3481 943 (27.1) 484 (13.9) 390 (11.2) 70 (2)
Total 20,483 7392 (36.1%) 5089 (24.8) 2128 (10.4) 173 (0.8)