Clinical characteristics of patients in their forties who underwent surgical resection for colorectal cancer in Korea

Table 4 Postoperative data

	30s (n = 120)	40s (n = 451)	50s (n = 1044)	P value1	P value2	P value3	P value4
Gas, median (d)	2	2	2	0.217	0.261	0.408	0.322
Stool, median (d)	2	2	3	0.995	0.002	0.071	0.004
Feed, median (d)	2	2	2	0.569	0.655	0.736	0.827
Postoperative hospital stays, median (d)	8	8	8	0.545	0.748	0.656	0.834
Postoperative complication (%)	27.5	25.9	23.1	0.731	0.235	0.281	0.339
Leakage	5.0	6.0	6.6	0.681	0.652	0.497	0.747
Intraabdominal abscess	3.3	2.4	1.6	0.587	0.289	0.184	0.319
Wound infection	2.5	1.3	1.2	0.361	0.893	0.264	0.532
Ileus	11.7	10.4	8.4	0.695	0.218	0.235	0.299
Bleeding	2.5	0.7	1.0	0.080	0.576	0.128	0.194
Stoma related	0	0.4	0.2	0.466	0.387	0.632	0.569
Pulmonary	0.8	1.1	0.9	0.793	0.650	0.974	0.896
Cardiovascular	0	0	0.2	-	0.353	0.632	0.579
Nephrology	0	0.4	0.2	0.466	0.387	0.632	0.569
Voiding	0.8	0.4	0.8	0.600	0.482	0.937	0.768
Chyle	3.3	3.8	4.0	0.822	0.817	0.714	0.921
Other	3.3	2.4	2.4	0.587	0.959	0.533	0.821
Reoperation (%)	1.7	2.4	3.6	0.615	0.232	0.262	0.297
Postoperative mortality (%)	0	0.4	0.3	0.466	0.632	0.557	0.722
Adjuvant treatment (%)	60.8	66.3	58.1	0.370	0.002	0.389	0.007
Chemotherapy	58.3	63.9	56.3	0.357	0.009	0.618	0.032
Radiotherapy	2.5	2.4	1.8	0.946	0.429	0.580	0.679
Recurrence (%)	15.8	20.2	16.4	0.187	0.088	0.657	0.168
Local	0.8	2.2	2.4	0.328	0.835	0.273	0.548
Systemic	6.7	6.9	6.8	0.870	0.837	0.956	0.975
Progression	8.3	11.8	7.8	0.318	0.019	0.824	0.061
Death (%)	11.7	12.4	8.7	0.824	0.027	0.286	0.074
Follow-up duration, median(mo)	26.7	25.6	24.8	0.694	0.819	0.579	0.850

¹30s vs 40s.

²40s vs 50s.

³30s vs 50s.

⁴30s vs 40s vs 50s.