Table III.

Results of different clinical management of the two groups

Category	Traditional group(mean ± SD)	ERAS group (mean ± SD)	t value	P-value	Traditional group**	ERAS group**	t value**	P-value**
Postoperative length of stay [days]	5.65 ±1.14	5.61 ±1.17	0.141	0.889	6.17 ±1.08	6.08 ±1.24	0.182	0.785
Medical costs (converted to U.S. dollars*)	3477.94 ±576.66	3581.73 ±672.09	–0.64	0.525	3522.18 ±621.22	3710.12 ±581.26	0.117	0.657
First-time drinking [h]	28.52 ±17.26	28.15 ±17.10	0.175	0.862	29.75 ±11.33	29.15 ±13.20	0.225	0.982
Recovery of anal exsufflation [h]	35.36 ±17.36	34.43 ±21.26	0.187	0.852	37.42 ±13.36	38.15 ±16.94	0.219	0.789
First-time ambulation [h]	53.35 ±16.15	42.35 ±15.31	2.743	0.008	55.25 ±20.12	42.31 ±12.31	2.545	0.012
Time of first intake of fluid food [h]	41.17 ±16.39	38.57 ±18.19	0.581	0.563	42.17 ±18.17	39.92 ±16.26	0.651	0.612
Time of first intake of semi-fluid food [h]	53.14 ± 18.14	50.30 ±21.35	0.565	0.574	49.42 ±15.14	47.15 ±12.98	0.547	0.417

^*The average exchange rate of U.S. dollar to local currency in November 2018 was adopted, 6.9351 Chinese Yuan equaled 1 U.S. dollar.

^**Groups only include patients over 65 years.