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Table 3 Administered Fluid and Net Fluid Balances between groups

From: Lack of impact of nil-per-os (NPO) time on goal-directed fluid delivery in first case versus afternoon case starts: a retrospective cohort study

Total Expressed As

Crystalloid to Colloid Calculation

Volume expressed as

AM

Cohort

PM

Cohort

p-value

Administered Volume

1:1

Total ml

1970 ± 1220

1300 ± 850

< 0.001

ml/hr

340 ± 180

300 ± 160

0.04

ml/kg/hr

4.5 ± 2.5

4.0 ± 2.3

0.07

1:3

Total ml

1000 ± 690

640 ± 490

< 0.001

ml/hr

164 ± 91

145 ± 92

0.07

ml/kg/hr

2.2 ± 1.3

2.0 ± 1.3

0.08

Net Fluid Balance (volume)

1:1

Total ml

1230 ± 1120

800 ± 810

< 0.001

ml/hr

220 ± 180

190 ± 170

0.16

ml/kg/hr

2.9 ± 2.5

2.5 ± 2.3

0.17

1:3

Total ml

270 ± 660

140 ± 500

0.05

ml/hr

46 ± 103

36 ± 108

0.42

ml/kg/hr

0.6 ± 1.4

0.4 ± 1.4

0.35

  1. Bold data denotes P-values less than 0.05