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Table 1 Summary statistics for U contamination in milk

From: Uranium contamination of milk from cattle in the uranium-mining area in Siavonga District of Zambia: a preliminary human health risk assessment

Descriptive statistics

Variable

Site type

n 

Mean

Median

Tr. Mean

St. Dev

SE Mean

Min

Max

Q1

Q3

Conc. of U

Mining area (case)

100

0.83

0.83

0.76

0.64

0.06

BDL

3.62

0.43

1.03

 

Non-mining area (control)

123

0.08

0.08

0.08

0.05

0.004

BDL

0.24

0.05

0.11

  1. Conc. = Concentration in µg/L
  2. Min, Max, Tr. Mean, St. Dev, SE Mean Q1 and Q3 stand for minimum, maximum, trimmed mean, standard deviation, standard error mean, lower quartile and the upper quartile, respectively
  3. BDL below detection limit of the ICP MS used in the analysis of the samples