Table 1.
Patient characteristics stratified by fluid responders and non-responders at baseline
| Characteristics | All participants (n = 50) | Responders (n = 27) | Non-responders (n = 23) | P value |
|---|---|---|---|---|
| General characteristics | ||||
| Age, years |
60 ± 17 |
61 ± 15 |
59 ± 18 |
0.50 |
| APACHE II score |
23 ± 4 |
24 ± 4 |
22 ± 4 |
0.10 |
| Sex, male/female |
34/16 |
19/8 |
15/8 |
0.70 |
| Vital signs | ||||
| HR, beats/mina |
89 (68–100) |
89 (68–116) |
88 (64–95) |
0.32 |
| SBP, mm Hg |
92 ± 21 |
86 ± 23 |
99 ± 16 |
0.04 |
| CVP, mm Hga |
5 (4–6) |
5 (4–6) |
5 (5–7) |
0.40 |
| Echocardiographic measurements | ||||
| LVEF, % |
61.1 ± 11.9 |
62.2 ± 13.8 |
60.0 ± 9.5 |
0.33 |
| VTI, cm |
30.9 ± 12.8 |
25.6 ± 13.8 |
37.1 ± 8.1 |
<0.01 |
| SV, mla |
78.8 (50.8-97.4) |
66.7 (39.5-83.1) |
83.1 (74.1-119.7) |
<0.01 |
| CO, l/mina | 8.2 (6.0-12.7) | 7.2 (5.5-9.7) | 9.7 (7.0-15.5) | 0.05 |
Values are expressed as number (percentage) or as mean ± standard deviation. Percentages are rounded, so the total may not equal 100%. aValues are expressed as median (interquartile range). APACHE, Acute Physiology and Chronic Health Evaluation; CO, cardiac output; CVP, central venous pressure; HR, heart rate; LVEF, left ventricular ejection fraction; SBP, systolic blood pressure; SV, stroke volume; VTI, aortic velocity time index.