Table 2.
Distribution of cumulative risk factors for Klebsiella pneumoniae infected patients.
| Number of risk factors | Number of patients, n (%) | ||
|---|---|---|---|
| CRKP | CSKP | Total | |
| Derivation cohort | |||
| 0 | 0 (0) | 7 (100) | 7 |
| 1 | 0 (0) | 21 (100) | 21 |
| 2 | 0 (0) | 20 (100) | 20 |
| 3 | 11 (25.6) | 32 (74.4) | 43 |
| 4 | 14 (18.2) | 63 (81.8) | 77 |
| 5 | 19 (26.8) | 52 (73.2) | 71 |
| 6 | 25 (40.3) | 37 (59.7) | 62 |
| 7 | 28 (68.3) | 13 (31.7) | 41 |
| 8 | 37 (84.1) | 7 (15.9) | 44 |
| 9 | 54 (90) | 6 (10) | 60 |
| 10 | 26 (92.9) | 2 (7.1) | 28 |
| 11 | 15 (83.3) | 3 (16.7) | 18 |
| 12 | 9 (100) | 0 (0) | 9 |
| 13 | 6 (100) | 0 (0) | 6 |
| Total | 244 (48.1) | 263 (51.9) | 507 |
| Validation cohort | |||
| 0 | 0 (0) | 5 (100) | 5 |
| 1 | 0 (0) | 7 (100) | 7 |
| 2 | 0 (0) | 10 (100) | 10 |
| 3 | 4 (13.8) | 25 (86.2) | 29 |
| 4 | 7 (13.5) | 45 (86.5) | 52 |
| 5 | 10 (20.4) | 39 (79.6) | 49 |
| 6 | 13 (33.3) | 26 (66.7) | 39 |
| 7 | 19 (63.3) | 11 (36.7) | 30 |
| 8 | 27 (79.4) | 7 (20.6) | 34 |
| 9 | 40 (86.9) | 6 (13.1) | 46 |
| 10 | 15 (78.9) | 4 (21.1) | 19 |
| 11 | 6 (66.6) | 3 (33.4) | 9 |
| 12 | 4 (100) | 0 (0) | 4 |
| 13 | 2 (100) | 0 (0) | 2 |
| Total | 147 (43.9) | 188 (56.1) | 335 |
CRKP: carbapenem-resistant Klebsiella pneumoniae; CSKP: carbapenem susceptible Klebsiella pneumoniae.