TABLE 4.
Comparison of baseline study population and nutrition characteristics between patients with detectable (positive) and undetectable (negative) AAT result
| Characteristic a | Undetectable (n = 11) | Detectable (n = 9) | P‐value b , c |
|---|---|---|---|
| Age, years | 42 (34–68) | 60 (51–67.5) | .33 |
| Male, n (%) | 9 (82) | 4 (44) | .16 |
| BMI | 35.7 (34.8–38.2) | 34.4 (27.5–37.4) | .3 |
| Days since hospital admission | 10 (10–24) | 12 (7.5–24) | .94 |
| SOFA score | 9 (7–13) | 8 (5.5–10) | .23 |
| Mechanical ventilation, n (%) | 10 (91) | 8 (89) | 1 |
| Supine position, n (%) | 8 (73) | 5 (56) | .64 |
| Receiving paralytic, n (%) | 3 (27) | 4 (44) | .64 |
| Receiving enteral nutrition at 24 h, n (%) | 7 (64) | 8 (89) | .32 |
| Volume of TF administered in prior 24 h (ml) | 160 (20–250) | 250 (27.5–807.5) | .46 |
| NGT output in prior 24 h (ml) | 150 (0–500) | 200 (0–437.5) | .66 |
| Stool volume in prior 24 h (ml) | 350 (150–1100) | 475 (0–1095) | .9 |
| Time of AAT (min) | 74 (63–90) | 86 (40.5–91) | .88 |
Note: BMI was calculated as weight in kilograms divided by height in meters squared.
Abbreviations: AAT, acetaminophen absorption test; BMI, body mass index; NGT, nasogastric tube; SOFA, Sequential Organ Failure Assessment; TF, tube feeds.
a
Data presented as median (interquartile range), unless otherwise stated.
b
Nonparametric data analyzed using Mann‐Whitney U test.
c
Categorical data analyzed using Fisher exact test.