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Table 5 Factors associated with poor mortality are summarized in Table 5

From: Poor outcome of octogenarians admitted to ICU due to periprosthetic joint infections: a retrospective cohort study

  survivor non-survivor p-value
cases 41 (71.9%) 16 (28.1%)  
Male gender 17 (41%) 7 (43%) 0.87
Age, mean ± SD 83.8 ± 3.3 86.2 ± 5.2 0.1
Days on ICU, mean ± SD 10.1 ± 11.1 16.4 ± 16.5 0.1
CCI*, mean ± SD 2.73 ± 2.04 4.94 ± 2.14 0.02
ASA score*, mean ± SD 3.12 ± 0.51 3.00 ± 0.73 0.54
SAPS II Score*, mean ± SD 24.32 ± 15.3 34.06 ± 14.8 0.03
BMI*, mean ± SD 27.64 ± 5.65 24.06 ± 2.55 0.03
Invasive ventilation, no(%) 8 (20%) 9 (56%) 0.006
Hours of ventilation, median ± SD 28.1 ± 41.9 132.7 ± 143.3 0.06
RRT*, no (%) 2 (4.9%) 8 (50%) < 0.001
Number of surgical intervention during hospital stay 2.3 ± 1.9 1.9 ± 1.5 0.3
Number of surgical intervention since prosthesis implantation, mean ± SD 2.8 ± 3.5 0.7 ± 1.1 0.3
Localisation of PJI
 Hip, no (%) 28 (68%) 13 (81%) 0.5
 Knee, no (%) 11 (27%) 3 (19%) 0.5
 Knee and Hip 2 (5%) 0 0.5
 Transferred from other ICU 2 (5%) 5 (31%) 0.006
Reason for ICU admission
 Unplanned surgical 14 2 0.26
 Unplanned medical 8 4 0.26
 Scheduled surgical 19 10 0.26
 Acute Infection 7 1 0.29
  1. * CCI Charlson Comorbidity Index; ASA American Society of Anaesthesiologists Score; BMI Body mass index; RRT Renal replacement therapy; SAPS II Simplified Acute Physiology Score II; PJI Periprosthetic joint infection