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Table 1 Screening Test Kits for HBsAg Used at Each Blood Center

From: The current incidence, prevalence, and residual risk of hepatitis B viral infections among voluntary blood donors in China

Blood Center

First Assay

Second Assay

Test Kit

Sensitivity (%) / Specificity (%) / Limit (ng/ml)

Test Kit

Sensitivity (%) /Specificity (%) / Limit (ng/ml)

Anhui

WANTAI (Beijing)

99.5 / 98.5 / 0.03

BIO-RAD (United States)

100 / 97.55 / ND

Fujian

BIO-RAD (United States)

100 / 97.55 / ND

WANTAI (Beijing)

99.5 / 98.5 / 0.03

Dalian

InTec (Xiamen, China)

100 / 98.6 / ND

BIO-RAD (United States)

100 / 97.55 / ND

Changzhi

BIO-RAD (United States)

100 / 97.55 / ND

InTec (Xiamen, China)

100 / 98.6 / ND

Kaifeng

BIO-RAD (United States)

100 / 97.55 / ND

WANTAI (Beijing)

99.5 / 98.5 / 0.03

Mianyang

WANTAI (Beijing)

99.5 / 98.5 / 0.03

BIO-RAD (United States)

100 / 97.55 / ND

  1. ND no data
  2. WANTAI Beijing WANTAI Biological Pharmacy Enterprise Co., Ltd.
  3. BIO-RAD BIO-RAD Clinical Diagnostics
  4. InTec Xiamen InTec Biological Pharmacy Enterprise Co., Ltd.