Table 3 IAP, CSA, Diam, Peri and PRE were used to evaluate gastrointestinal function recovery

IAP

 ≤ 16

0.07

54.93 (48.9—60.8)

52.03 (43.7–60.3)

0.502 (0.454–0.550)

68.7 (62.3—74.7)

37.6 (30.9—44.6)

CSA

 ≤ 9

0.65

83.45 (78.6–87.6)

81.08 (73.8–87)

0.896 (0.86–0.92)

89.4 (85.1–92.9)

71.9 (64.4–78)

Diam

 ≤ 2.9

0.6642

91.2 (87.3–94.2)

75.0 (67.2–81.7)

0.92(0.889–0.94)

87.5 (83.2–91.0)

81.6 (74.1–87.7)

Peri

 > 3

0.566

70.77(65.1–76)

85.81(79.1–91)

0.845(0.808–0.878)

90.5(85.9–94)

60.5(53.5–67.1)

PRE

(CSA + Diam + Peri)

 > 0.68

0.77

88.73 (84.5—92.2)

88.51 (82.2—93.2)

0.95(0.925–0.97)

93.7 (90.1—96.3)

80.4 (73.4—86.2)

PRE

(CSA + Diam)

 > 0.58

0.74

88.03 (83.7—91.6)

85.81 (79.1—91.0)

0.946(0.92–0.96)

92.3 (88.4—95.1)

78.9 (71.8—84.9)

PRE

(CSA + Peri)

 > 0.55

0.72

87.32 (82.9—91.0)

84.46 (77.6—89.9)

0.925 (0.89–0.95)

91.5 (87.5—94.5)

77.6 (70.4—83.8)

PRE

(Diam + Peri)

 > 0.65

0.65

77.11 (71.8—81.9)

87.84 (81.5—92.6)

0.914 (0.88–0.94)

92.4 (88.3—95.4)

66.7 (59.6—73.2)