Table 1. Number of Raw and Processed Sequencing Reads per Ion Torrent Personal Genome Machine (PGM) Sequencing Run, Using 316 Chips, of 280 Samples of Hand Microbiota from 34 Healthcare Workers at the University of Michigan Surgical Intensive Care Unit, July 5–28, 2011.

Sequencing Run	Raw Sequence Reads	Processed Sequence Reads	Proportion of Processed/Raw Sequence Reads
1	2,787,276	1,292,855	0.464
2	3,160,031	2,132,925	0.675
3	903,240	643,015	0.712