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Table 2 Mean and Median value of drain fluid amylase and drainage volume

From: Drain fluid amylase as a predictor of postoperative salivary fistula in cases with benign parotid tumours

  

Volume in cases Without salivary fistula

Volume in cases With salivary fistula

Drain fluid amylase (U/L)

Range

27–261,136

34,215–716,823

Mean

34,340.3

155,491.1

Median

18,366.5

80,132.5

Drainage volume (ml)

Range

0–158

11–230

Mean

58

73

Median

57

51