Nomograms and risk score models for predicting survival in rectal cancer patients with neoadjuvant therapy

Table 4 Clinical data after surgery

Variable	Primary cohort (n = 155)		Validation cohort (n = 65)
	No. of patients	%	No. of patients	%
Number of cycles of postoperative chemotherapy regimens
Median	4.00		4.00
Range	0.00-6.00		0.00-6.00
Postoperative exhaust
Median	3.00		3.00
Range	3.00-5.00		3.00-5.00
Postoperative defecation
Median	5.00		5.00
Range	3.00-6.00		4.00-6.00
Postoperative ureter removal time
Median	4.00		4.00
Range	4.00-5.00		3.00-5.00
Postoperative CEA
Median	2.41		2.55
Range	1.59-3.705		1.70-3.41
Postoperative adjuvant therapy
Yes	101	65.2	45	69.2
No	54	34.8	20	30.8
Postoperative bleeding
Yes	2	1.3
No	153	98.7	65	100
Postoperative intestinal fistula
Yes	5	3.2
No	150	96.8	65	100
Intestinal obstruction after surgery
Yes			1	1.5
No	155	100	64	98.5
Unplanned postoperative surgery
Yes	3	1.9
No	152	98.1	65	100
Cardiovascular accidents
Yes	1	0.6
No	154	99.4	65	100
Postoperative complications
Yes	7	4.5	1	1.5
No	148	95.5	64	98.5
Recurrence
Yes	30	19.4	17	26.2
No	125	80.6	48	73.8

CEA: Carcinoembryonic antigen.