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Table 3 Subgroup analysis: background characteristics and clinical outcomes of patients who are 75 years of age or older at the time of surgery

From: Cytoreductive surgery and perioperative intraperitoneal chemotherapy for peritoneal carcinomatosis in the elderly

Age ≥75  
N = 20  
Gender n (%)  
 Male 12 (60.0)
 Female 8 (40.0)
Age mean (range, SD) 76.7 (75–85)
Year of operation n (%)  
 1996–2002 0
 2003–2007 6 (30.0)
 2008–2013 14 (70.0)
Diagnosis n (%)  
 CRC (n = 184) 5 (25.0)
 PMP (n = 157) 6 (30.0)
 Mesothelioma (n = 53) 2 (10.0)
 Appendiceal cancer (n = 137) 6 (30.0)
 Others (n = 80) 1 (5.0)
HIPEC n (%) 9 (45.0)
EPIC n (%) 5 (25.0)
PCI mean (SD) 22.8 (13.0)
CC n (%)  
 0 11 (55.0)
 1 5 (25.0)
 2 3 (15.0)
 3 0 (0)
Transfusion mean (SD) 5.2 (6.2)
Total hospital stay (days) median (range) 20.0 (9–157)
ICU stay (days) median (range) 2.0 (1–101)
HDU stay (days) median (range) 1.0 (0–20)
Hospital death n (%) 1 (5)
Complication grade n (%)  
 0 5 (25.0)
 I 1 (5.0)
 II 4 (20.0)
 III 6 (30.0)
 IV 4 (20.0)
Tumour-related OS median (months) (95 %) 35.0 (17.3–52.7)
5-year OS (%) 18.6