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Table 2 Preprandial compared to postprandial values of rintSO2, rcSO2, intFTOE, and cFTOE values on postnatal days

From: The effect of enteral bolus feeding on regional intestinal oxygen saturation in preterm infants is age-dependent: a longitudinal observational study

  M1 Mean (SE) M2 Mean (SE) M3 Mean (SE) P value M1 vs. M2 P value M1 vs. M3
Day 2
 rintSO2 (%, n = 10) 40 (11) 38 (7) 40 (7) .46 1.00
 rcSO2 (%, n = 28) 77 (4) 77 (3) 78 (3) .71 .43
 intFTOE (n = 9) 0.48 (0.14) 0.57 (0.14) 0.47 (0.14) .24 .85
 cFTOE (n = 27) 0.13 (0.04) 0.14 (0.04) 0.13 (0.04) .97 .90
Day 3
 rintSO2 (%, n = 7) 37 (11) 39 (7) 41 (7) .58 .32
 rcSO2 (%, n = 25) 75 (4) 76 (3) 76 (3) .30 .37
 intFTOE (n = 7) 0.58 (0.14) 0.48 (0.14) 0.51 (0.14) .18 .31
 cFTOE (n = 25) 0.17 (0.04) 0.17 (0.04) 0.16 (0.04) .80 .46
Day 4
 rintSO2 (%, n = 11) 34 (10) 34 (7) 35 (7) .91 .59
 rcSO2 (%, n = 28) 73 (4) 72 (3) 73 (3) .48 .83
 intFTOE (n = 11) 0.65 (0.14) 0.59 (0.14) 0.57 (0.14) .34 .19
 cFTOE ( = 28) 0.18 (0.04) 0.20 (0.04) 0.17 (0.04) .27 .67
Day 5
 rintSO2 (%, n = 12) 44 (10) 38 (7) 35 (7) .07 .01*
 rcSO2 (%, n = 27) 73 (4) 72 (3) 72 (3) .32 .19
 intFTOE (n = 12) 0.49(0.14) 0.58(0.14) 0.48 (0.14) .16 .84
 cFTOE (n = 27) 0.19 (0.04) 0.21 (0.04) 0.21 (0.04) .26 .27
Day 8
 rintSO2 (%, n = 12) 39 (10) 38 (7) 35 (7) .61 .21
 rcSO2 (%, = 25) 67 (4) 71 (3) 73 (3) .01* <.01*
 intFTOE ( = 12) 0.59 (0.13) 0.56 (0.13) 0.62 (0.14) .63 .66
 cFTOE (n = 25) 0.25 (0.04) 0.22 (0.04) 0.20 (0.04) .27 .03*
Day 15
 rintSO2 (%, n = 15) 34 (10) 39 (7) 38 (7) .13 .15
 rcSO2 (%, n = 19) 66 (4) 64 (3) 63 (3) .22 .09
 intFTOE (n = 15) 0.59 (0.13) 0.51 (0.13) 0.58 (0.13) .17 .87
 cFTOE (n = 19) 0.28 (0.05) 0.26 (0.04) 0.27 (0.04) .33 .76
Day 22
 rintSO2 (%, n = 11) 48 (10) 47 (7) 45 (7) .67 .35
 rcSO2 (%, n = 14) 57 (4) 58 (3) 58 (3) .46 .39
 intFTOE (n = 11) 0.46 (0.14) 0.45 (0.14) 0.46 (0.14) .93 .90
 cFTOE (n = 14) 0.36 (0.05) 0.27 (0.05) 0.33 (0.04) <.01* .23
Day 29
 rintSO2 (%, n = 10) 44 (11) 54 (7) 50 (7) .01* .18
 rcSO2 (%, n = 12) 62 (5) 63 (3) 62 (3) .63 .87
 intFTOE (n = 10) 0.43 (0.14) 0.40 (0.14) 0.45 (0.14) .65 .78
 cFTOE (n = 12) 0.26 (0.05) 0.27 (0.05) 0.28 (0.05) .71 .42
Day 36
 rintSO2 (%, n = 8) 47 (11) 49 (7) 46 (7) .56 .84
 rcSO2 (%, n = 8) 65 (5) 65 (3) 66 (3) .80 .52
 intFTOE (n = 8) 0.40 (0.14) 0.37 (0.14) 0.50 (0.14) .65 .21
 cFTOE (n = 8) 0.26 (0.05) 0.26 (0.05) 0.23 (0.05) .88 .37
  1. Abbreviations: M1 Measurement 1 (preprandial), M2 Measurement 2 (10 to 30 min postprandial), M3 Measurement 3 (30 to 60 min postprandial). The data are expressed as mean (standard errors of the mean) unless otherwise specified. * = P value < .05
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