Phases of hospitalizations | Total hospital days, n | Total IHDs, n (%) | LOS, m (SD) | IHDs, m (SD) | p |
---|---|---|---|---|---|
Pre-operation | 1876 | 484 (25.80 %) | 4.60 (2.39) | 1.19 (1.48) | < 0.001 |
Post-operation | 2710 | 582 (21.48 %) | 6.64 (3.25) | 1.43 (1.76) | |
The whole hospitalization | 4586 | 1066 (23.24 %) | 11.24 (4.49) | 2.62 (2.38) |  |