Table 2.
Amount of technical errors, removed measurements, typeability and isolates in same cluster in repeated runs of FTIRS-typing
| Species | Number of measurements with technical error messages | Removed measurements from further analysis | Typeability of isolates | Typable isolate measurement in the same cluster compared to Run 1 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Run 1 | Run 2 | Run 3 | Run 1 | Run 2 | Run 3 | Run 1 | Run 2 | Run 3 | Run 2 | Run 3 | |
| A. baumannii | 3/100 (3.0%) | 6/100 (6.0%) | 2/100 (2.0%) | 4/100 (4.0%) | 11/100 (11.0%) | 5/100 (5.0%) | 24/25 (96.0%) | 23/25 (92.0%) | 24/25 (96.0%) | 21/22 (95.5%) | 21/23 (91.3%) |
| E. coli | 3/124 (2.4%) | 3/124 (2.4%) | 1/124 (0.8%) | 4/124 (3.2%) | 3/124 (2.4%) | 1/124 (0.8%) | 30/31 (96.8%) | 30/31 (96.8%) | 31/31 (100%) | 30/30 (100%) | 28/30 (93.3%) |
| E. faecium | 1/88 (1.1%) | 3/88 (3.4%) | 3/88 (3.4%) | 0/88 (0.0%) | 4/88 (4.5%) | 5/88 (5.7%) | 22/22 (100%) | 21/22 (95.5%) | 22/22 (100%) | 20/21 (95.2%) | 20/22 (90.9%) |
| P. aeruginosa | 44/120 (36.7%) | 31/120 (25.8%) | 43/120 (35.8%) | 51/120 (42.5%) | 40/120 (33.3%) | 45/120 (37.5%) | 19/30 (63.3%) | 21/30 (70.0%) | 19/30 (63.3%) | 16/16 (100%) | 9/13 (69.2%) |
| S. aureus | 7/148 (4.7%) | 8/148 (5.4%) | 13/148 (8.8%) | 3/148 (2.0%) | 8/148 (5.4%) | 9/148 (6.1%) | 37/37 (100%) | 36/37 (97.3%) | 37/37 (100%) | 23/36 (63.9%) | 27/37 (73.0%) |