Table 4.

Failures attributable to sample preparation and MS.

Failures, n (%)
Experiment 11Experiment 22
Samples, n36892
 Sample preparation
 DNA purification4 (1.1%)0
 PCR00
Primer extension00
Nanoliter dispensing1 (0.3%)2 (0.3%)
MS
 Spectrum acquisition00
 Mass calibration1 (0.3%)2 (0.3%)
Total failures6 (1.7%)4 (0.6%)