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Table 2 Summary statistics for the timing of pre & post event serum sample collection (IR)

From: Analysis of human immune responses in quasi-experimental settings: tutorial in biostatistics

 

Pre event

Post event

Mean (SD)

7.7

8.3

Standard deviation

5.9

4.9

95th percentile

18.7

17.6

75th percentile

10.1

11

50th percentile

5.9

6.9

25th percentile

3.4

4.8

5th percentile

1

2.4

Interquartile range

6.6

6.2