Prognostic Relevance of the Peritoneal Surface Disease Severity Score Compared to the Peritoneal Cancer Index for Colorectal Peritoneal Carcinomatosis

Table 1

Baseline demographics and operative findings.

	Number	%
Total	50	100.0
Age at CRS/HIPEC, years
Median (range)	50 (14–71)
Gender
Female	32	64.0
Male	18	36.0
ECOG performance status
0	41	82.0
1	9	18.0
Presence of comorbidities
No	19	38.0
Yes	31	62.0
Primary tumour site
Colon	49	98.0
Rectum	1	2.0
Histology
Well differentiated	6	12.0
Moderately differentiated	27	54.0
Poorly differentiated or mucinous	13	26
Signet ring cell	1	2.0
Missing data	3	6.0
Preoperation CEA, g/L
Median (range)	5.1 (0.2–501.0)
Type of CRS procedure
Subdiaphragmatic stripping	30	60.0
Gastrectomy	4	8.0
Colectomy	24	48.0
Small bowel resection	21	42.0
Splenectomy	6	12.0
THBSO	15	30.0
Cholecystectomy	8	16.0
Bladder resection	5	10.0
Others	17	34.0
Number of CRS procedures performed
0	1	2.0
1	14	28.0
2	18	36.0
3 and over	17	34.0
Median (range)	2 (0–5)
Duration of operation, mins
Median (range)	457.5 (120–960)
Completion of Cytoreduction score
0	49	98.0
1	1	2.0
≥2	0	0
Hospitalization duration, days
Median (range)	13.5 (9–43)
Post-CRS/HIPEC adjuvant therapy
No	26	52.0
Yes	11	22.0
Missing data	13	26.0

CRS, cytoreductive surgery; HIPEC, hyperthermic intraperitoneal chemotherapy; ECOG, Eastern Cooperative Oncology Group; CEA, carcinoembryonic antigen; THBSO, Total Abdominal Hysterectomy Bilateral Salpingo Oophorectomy.
The patient had omentectomy.