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Table 1 Characteristics of the study samples

From: Missing channels in two-colour microarray experiments: Combining single-channel and two-channel data

 

Experiment 1

Experiment 2

Combined

Ozone

High

Low

 

Arrays

   

   Number

90

97

187

   Cancer/Normal/Reference

74/14/2

86/11/0

160/25/2

Patients

   

   Number

79

90

121

   Cancer/Normal/Both

65/11/3

79/10/1

99/14/8

   Providing ≥2 Cancer Arrays

6

6

47

   Providing ≥2 Normal Arrays

0

0

3

   Providing Normal and Cancer Arrays

4

1

8

  1. Detailing the number of normal and cancer tissue arrays used in the study, the numbers of patients who have provided normal or cancer arrays (or both), and the number of patients that feature on more than one array. Recall that all arrays have the Reference in the Cy5 channel.