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Table 1 The data of HTLV-1/2 screening using CLIA and ELISA among blood donors in the three blood screening laboratories

From: HTLV screening of blood donors using chemiluminescence immunoassay in three major provincial blood centers of China

S/CO of CLIA Hebei blood center Changsha blood center Shenzhen blood center Sum
Initial test Retest Initial test Retest Initial test Retest Initial test Retest
0.1 2529 / 2675 / 2930 / 8134 /
0.2 6996 / 6433 / 12,707 / 26,136 /
0.3 4341 / 4335 / 8712 / 17,388 /
0.4 1582 / 1276 / 2997 / 5855 /
0.5 490 / 318 / 861 / 1669 /
0.6 142 / 88 / 214 / 444 /
0.7 46 / 27 / 65 / 138 /
0.8 10 / 5 / 22 / 37 /
0.9 3 / 3 / 8 / 14 /
≥1.0 5 4 4 2 105 26 114 32
Number of donations 16,144 15,164 28,621 59,929
L2400 non-reactive 16,140 (99.9752%) 15,162 (99.9868%) 28,595 (99.9092%) 59,897 (99.9466%)
L2400 reactive 4 (0.0248%) 2 (0.0132%) 26 (0.0908%) 32 (0.0534%)
ELISA non-reactive 16,144 (100.0000%) 15,162 (99.9868%) 28,617 (99.9860%) 59,923 (99.9900%)
ELISA reactive 0 (0.0000%) 2 (0.0132%) 4 (0.0140%) 6 (0.0100%)
INNO-LIA negative 2 3 24 28
INNO-LIA positive 0 0 1 1
INNO-LIA indeterminate 2 0 1 3
Indeterminate rate 0.0124% 0.0000% 0.0035% 0.0050%
Negative rate 99.9876% 100.0000% 99.9930% 99.9933%
Positive rate 0.0000% 0.0000% 0.0035% 0.0017%