Table 1.

Demographics and clinical characteristics of CPM patients undergoing CRS and HIPEC

	All CPM (n = 102)	s-CPM (n = 20)	m-CPM (n = 82)	p value
Patient characteristics
Age, years	54.0 (24–78)	49 (24–72)	55 (30–78)	0.132
Gender				1.000
Male	39 (38.2%)	8 (40%)	31 (37.8%)
Female	63 (61.8%)	12 (60%)	51 (62.2%)
Race				0.004
Chinese	85 (82.5%)	12 (60.0%)	73 (89.0%)
Others	17 (17.5%)	8 (40.0%)	9 (11.0%)
ECOG status				0.350
0/1	94 (92.2%)	20 (100.0%)	74 (90.2%)
2	8 (7.8%)	0 (0.0%)	8 (9.8%)
Tumour characteristics
T-stage (primary tumour)				0.502
T1–2	3 (2.9%)	0 (0.0%)	3 (3.7%)
T3–4	99 (97.1%)	20 (100%)	79 (96.3%)
N-stage (primary tumour)				0.15
N0–1	63 (61.8%)	11 (55%)	52 (63.4%)
N2	31 (30.4%)	6 (30%)	25 (30.4%)
Unknown	8 (7.8%)	3 (15%)	5 (6.2%)
Tumour differentiation (primary tumour)				1.02
Well	5 (5%)	1(5%)	4 (4.8%)
Moderate	60 (58.8%)	10 (50%)	50 (61%)
Poor	31 (30.4%)	7(35%)	24 (29.3%)
Unknown	6 (5.8%)	2 (10%)	4 (4.9%)
Histology (primary tumour)				0.51
Adenocarcinoma	74 (72.5%)	13 (65.0%)	61 (74.5%)
Mucinous	23 (22.5%)	6 (30.0%)	17 (20.7%)
Signet ring cell	2 (2%)	0 (0.0%)	2 (2.4%)
Mixed	2 (2%)	1 (5.0%)	1 (1.2%)
Others	1 (1%)	0 (0.0%)	1 (1.2%)
Sidedness of Tumour (primary tumour)				0.54
Right	32 (31.4%)	7 (35%)	25 (30.5%)
Left	51 (50%)	10 (50%)	41 (50%)
Rectum	15 (14.7%)	1 (5%)	14 (17%)
Unknown	4 (3.9%)	2 (10%)	2 (2.5%)
Pre-operative CEA levels, mean (μG/l)	32.3	43.1 (1.1 - 501)	29.8 (0.5 – 441)	0.043
Intra-operative
PCI score, median (range)	7 (0–27)	9 (3–27)	5 (0–24)	0.12
PCI score				0.11
< 10	55 (54%)	10 (50%)	45 (54.9%)
10–20	31 (30.3%)	4 (20%)	27 (32.9%)
> 20	5 (5%)	3 (15%)	2 (3.8%)
Unknown	11 (10.7%)	3 (15%)	8 (8.4%)
CC-score				0.352
CC0	101 (98.1%)	19 (95.0%)	82 (100%)
CC1	1 (1.0%)	1 (5.0%)	0 (0.0%)

PCI Peritoneal Cancer Index, CC-score Completeness of Cytoreduction Score