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Table 6 Prevalence of LF antigenemia by FTS, LF Wb123 antibody by Biplex RDT and onchocerciasis Ov16 antibody by Biplex RDT, by gender, grade, age group and district

From: Integrated transmission assessment surveys (iTAS) of lymphatic filariasis and onchocerciasis in Cross River, Taraba and Yobe States, Nigeria

LGA/IU No. of pupils tested Gender Grade Age group
Male Female 1 2 3 4 Age < 5 years Age 5–9 years Age 10+ years 
Bade (30 schools sampled; 8593 students enrolled in target grades)
 Number tested 2875 1387 1488 1028 1032 775 40 0 2388 487
 Number FTS positive (%) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) NA 0 (0) 0 (0)
 Number Biplex-LF positive 1 (< 1) 1 (< 1) 0 (0) 1 (< 1) 0 (0) 0 (0) 0 (0) NA 1 (< 1) 0 (0)
 Number Biplex-oncho positive (%) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) NA 0 (0) 0 (0)
Bekwara (34 schools sampled; 3,078 students enrolled in target grades)
 Number tested 2622 1343 1279 1141 680 721 80 0 2222 400
 Number FTS positive (%) 5 (< 1) 3 (< 1) 2 (< 1) 3 (< 1) 0 (0) 2 (< 1) 0 (0) NA 5 (< 1) 0 (0)
 Number Biplex-LF positive (%) 14 (1) 10 (1) 4 (< 1) 6 (1) 3 (< 1) 5 (1) 0 (0) NA 12 (1) 2 (1)
 Number Biplex-oncho positive (%) 81 (3) 35 (2) 46 (4) 28 (2) 26 (4) 27 (4) 0 (0) NA 67 (3) 14 (3.5)
Gashaka (30 schools sampled; 3,026 students enrolled in target grades)
 Number tested 3026 1561 1465 1325 855 846 0 0 2551 475
 Number FTS positive (%) 7 (< 1) 4 (< 1) 3 (< 1) 3 (< 1) 1 (< 1) 3 (< 1) NA NA 6 (< 1) 1 (< 1)
 Number Biplex-LF positive (%) 13 (< 1) 8 (1) 5 (< 1) 5 (< 1) 4 (< 1) 4 (1) NA NA 8 (< 1) 5 (1)
 Number Biplex-oncho positive (%) 53 (2) 42 (3) 11 (1) 8 (1) 19 (2) 26 (3) NA NA 31 (1) 22 (5)
Karim Lamido (52 schools sampled; 3,010 students enrolled in target grades)
 Number tested 3010 1438 1572 1321 777 912 0 253 2241 516
 Number FTS positive (%) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) NA 0 (0) 0 (0) 0 (0)
 Number Biplex-LF positive (%) 1 (< 1) 0 (0) 1 (< 1) 0 (0) 0 (0) 1 (< 1) NA 0 (0) 1 (< 1) 0 (0)
 Number Biplex-oncho positive (%) 1 (< 1) 0 (0) 1 (< 1) 1 (< 1) 0 (0) 0 (0) NA NA NA 0 (0)
  1. NA Data not available