Table 2 Recovery of bowel function after surgery, PPOI incidence and length of hospital stay according to frailty category

Time to first flatus (h, mean ± SD)

58 ± 32

55 ± 33

0.523

55 ± 35

55 ± 31

0.984

58 ± 33

54 ± 32

0.370

Time to first defecation (h, mean ± SD)

92 ± 51

87 ± 39

0.565

93 ± 49

85 ± 36

0.141

92 ± 48

86 ± 38

0.341

Time to first soft diet intake (h, mean ± SD)

87 ± 49

66 ± 46

0.012*

85 ± 48

61 ± 45

< 0.001*

88 ± 46

61 ± 46

< 0.001*

PPOI (n, %)

22 (59.5)

73 (44.0)

0.088

52 (66.7)

49 (34.4)

< 0.001*

44 (66.7)

51 (37.2)

< 0.001*

Length of hospital stay (d, mean ± SD)

18 ± 9

13 ± 5

< 0.001*

17 ± 8

13 ± 5

< 0.001*

17 ± 7

13 ± 5

< 0.001*