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. 2019 Jul;61(1):42–50. doi: 10.1165/rcmb.2018-0236MA

Table 1.

Quantification of Sputum Cells by Light Microscopy

Subject Number of Specimens Average Leukocytes per Milliliter or Milligram Median Leukocytes per Milliliter or Milligram SEM Range of Leukocytes per Milliliter or Milligram
3 15 3.1 × 106 2.6 × 106 6.8 × 105 3.0 × 105 to 8 × 106
18 8 6.4 × 106 6.5 × 106 1.0 × 106 2.6 × 106 to 1.0 × 107
10 1 2.5 × 106
22 1 8.2 × 106
38 1 4.7 × 106
40 1 7.4 × 106