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Volume 26, Number 12—December 2020

Research

Outbreak of Haff Disease along the Yangtze River, Anhui Province, China, 2016

Huilai Ma1, Jiabing Wu1, Wei Qin1, Chao Lin, Dan Li, Bing Zha, Qi Chen, Yan Ma, Tichao Zhou, Shicong Li, Lei Gong, Wanwan Ma, Dafang Ge, Zhouxiang Cheng, Jian Chen, and Qun LiComments to Author 
Author affiliations: Chinese Center for Disease Control and Prevention, Beijing, China (H. Ma, W. Qin, C. Lin, D. Li, Q. Chen, Y. Ma, T. Zhou, S. Li, Q. Li); Anhui Center for Disease Control and Prevention, Hefei, China (J. Wu, L. Gong, W. Ma); Lu’an Center for Disease Control and Prevention, Lu’an (W. Qin); Wuhu Center for Disease Control and Prevention, Wuhu, China (C. Lin, Z. Cheng); Ma’anshan Center for Disease Control and Prevention, Ma’anshan (B. Zha, D. Ge, J. Chen)

Main Article

Table 2

Laboratory test values from cases during Haff disease outbreak in Anhui, China, 2016*

Variables Reference range Median (range) Mean + SD No. cases % Abnormal cases
Serologic test
  Myoglobin, ng/mL <25 344.3 (25.0–500.0) 330.0 ± 121.2 97 100
  CK, U/L 30–135 4,192.0 (165.0–17,470.0) 5,439.2 ± 4,765.1 191 100
  CK-MM, U/L 0–25 79.0 (10.0–980.0) 161.2 ± 185.9 104 82.7
  AST, U/L 14–36 73.0 (14.0–1,346.0) 164.6 ± 207.0 103 84.5
  ALT, U/L 9–52 52.0 (20.0–515.0) 85.9 ± 88.2 101 49.5
  LDH, U/L 313–618 684.0 (333.0–8,170.0) 1,161.0 ± 1,334.9 99 53.5
  Cre, μmol/L 62–106 63.6 (34.6–108.3) 66.4 ± 14.5 102 44.1
  Urea, mmol/L 2.5–6.1 5.7 (2.3–256.1) 8.1 ± 24.84 102 32.4
  Cl+, mmol/L 98–107 104.70 (98.20–109.80) 104.46 ± 2.42 97 12.4
  Ka+, mmol/L 3.6–5.0 3.95 (3.14–5.17) 3.97 ± 0.34 97 10.3
  Ca2+, mmol/L 2.10–2.55 2.30 (2.07–2.65) 2.29 ± 0.13 47 8.5
  Na+, mmol/L
 137–145
 139.20 (133.80–144.50)
 139.25 ± 1.9
 97
 8.2
Urinalysis
  Proteinuria − No. positive results: 9 50.0 18
  Urinary occult blood − No. positive results: 10
 50.0 20

*ALT, alanine aminotransferase; AST, aspartate aminotransferase; CK, creatine kinase; CK-MM, muscle-type creatine kinase; LDH, lactate dehydrogenase; Cre, serum creatinine; Ka+, serum potassium, Na+, serum sodium; Cl+, Serum chloride; Ca2+, serum calcium.

Main Article

1These authors contributed equally to this article.

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Page updated: November 19, 2020
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