Table 2. Results of spot test assays and efficiency of plating (EOP) on strains of the ECOR collection.
| Bacteriophage | SU10 | SU16 | SU27 | SU32 | SU57 | SU63 | Average | % |
|---|---|---|---|---|---|---|---|---|
| Number of ECOR strains (n = 72) | ||||||||
| Lysed strains in spot test assays a | 30 | 43 | 32 | 18 | 11 | 36 | 28.33 | 39 |
| High production, (EOP ≥ 0.5) | 10 | 8 | 1 | 5 | 1 | 4 | 4.83 | 7 |
| Medium production, (0.1≤ EOP <0.5) | 2 | 8 | 3 | 0 | 1 | 5 | 3.17 | 4 |
| Low production, (0.001< EOP <0.1) | 10 | 12 | 15 | 4 | 1 | 11 | 8.83 | 12 |
| No production, (EOP ≤ 0.001) | 8 | 15 | 13 | 9 | 8 | 16 | 11.50 | 16 |
| High EOP /spot test ratio | 0.33 | 0.19 | 0.03 | 0.28 | 0.09 | 0.11 | 0.17 | - |
| High+Medium/spot test ratio | 0.40 | 0.37 | 0.13 | 0.28 | 0.18 | 0.25 | 0.27 | - |
| Sum of EOP values | 8.68 | 9.37 | 2.30 | 10.12 | 1.32 | 4.08 | 5.81 | - |
a The correlation analyses were done on the six phages’ data in this row against the data in the second row or against the sum of the data in the second and following rows.