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. 2010 Jun 11;9:157. doi: 10.1186/1475-2875-9-157

Table 4.

Drug samples (in testable form for spectrometry analysis) failing quality testsa

Sampling Total Minilab
failures
Total visual
inspection failures
Total Raman
spectrometry failures
Lagos 2007 (7/20) 35% (3/20) 15% (7/20) 35%

Lagos 2008 (18/112) 16.1% (11/112) 9.8% (28/112) 25%

Lagos 2010 (9/87) 10.3% (6/87) 6.9% (16/87) 18.4%

Lagos Total (34/219) 15.5% (20/219) 9.1% (51/219) 23.3%

Accra 2007 (12/34) 35.3% (4/34) 11.8% (14/34) 41.2%

Accra 2010 (9/47) 19.1% (5/47) 10.6% (14/47) 29.8%

Accra Total (21/81) 25.9% (9/81) 11.1% (28/81) 34.6%

TOTAL (55/300) 18.3% (29/300) 9.7% (79/300) 26.3%

a. Percentages are supported by (total that failed testing/total samples tested)