Effectiveness of early enteral nutrition support in patients undergoing gastrointestinal perforation repair surgery within the enhanced recovery

Table 3 Comparison of nutritional function, M (P25, P75)

	Control group (n = 32)	Observation group (n = 34)	Z value	P value
PA (mg/L)
Preoperative	211.16 (182.85, 231.07)	202.25 (170.40, 233.07)	0.210	0.833
Postoperative day 1	151.30 (144.62, 155.39)a	157.81 (146.08, 161.97)a	1.557	0.120
Postoperative day 5	156.93 (145.20, 164.25)a	184.48 (175.41, 196.21)b	6.441	< 0.001
ALB (g/L)
Preoperative	42.58 (39.12, 44.58)	41.10 (38.23, 42.83)	1.662	0.097
Postoperative day 1	35.33 (32.77, 36.80)a	34.84 (33.56, 36.97)a	0.308	0.758
Postoperative day 5	35.24 (32.64, 38.35)a	41.17 (39.56, 42.72)b	4.885	< 0.001
Hb (g/L)
Preoperative	131.09 (126.31, 135.86)	133.17 (122.97, 140.40)	0.539	0.590
Postoperative day 1	119.94 (115.02, 124.57)a	118.82 (111.37, 125.07)a	0.597	0.551
Postoperative day 5	118.28 (114.61, 125.73)a	129.75 (121.53, 138.71)b	3.412	< 0.001

^aP < 0.05 compared to preoperative values.

^bP < 0.05 compared to postoperative day 1.

ALB: Albumin; Hb: Hemoglobin; PA: Prealbumin.