Table 2.
Admission clinical characteristics for participants requiring mechanical ventilation
| Variable | All patients N=57 |
Normally nourished n=28 |
Moderate or Severely malnourished n=29 |
|---|---|---|---|
|
| |||
| Females – n (%) | 30 (53) | 14 (50) | 16 (55) |
|
| |||
| Age (years) – mean ± SD | 50.4 ± 14.2 | 51.3 ± 12.5 | 49.6 ± 15.8 |
| range | (19.1–76.0) | (19.1 – 68.3) | (21.7–76.0) |
|
| |||
| Race/Ethnicity | |||
| White- n (%) | 24 (42) | 15 (54) | 9 (31) |
| Black- n (%) | 22 (39) | 11 (38) | 11 (38) |
| Hispanic- n (%) | 7 (12) | 1 (4) | 6 (21) |
| Other- n (%) | 4 (7) | 1 (4) | 3 (10) |
|
| |||
| Diagnosis | |||
| Respiratory failure - n (%) | 36 (63) | 17 (60) | 19 (66) |
| Sepsis - n (%) | 10 (18) | 5 (18) | 5 (17) |
| Stroke/Seizure - n (%) | 9 (16) | 6 (21) | 3 (10) |
| Pneumonia - n (%) | 4 (3) | 0 (0) | 2 (7) |
|
| |||
| APACHE II - mean ± SD | 24 ± 10 | 24 ± 9 | 24 ± 10 |
| range | (5 – 43) | (5 – 39) | (5 – 43) |
|
| |||
| APACHE IV - mean ± SD | 87 ± 29 | 88 ± 34 | 87 ± 24 |
| range | (30 – 153) | (30 – 153) | (50 – 141) |
|
| |||
| Diabetes history - n (%) | 14 (25) | 5 (18) | 9 (31) |
|
| |||
| Cancer history - n (%) | 23 (40) | 7 (25) | 16 (55)1 |
|
| |||
| Body mass index | |||
| mean ± SD | 29.0 ± 9.2 | 31.1 ± 9.4 | 27.0 ± 8.6 |
| range | (12.0 – 65.5) | (21.2 – 65.5) | (12.0 – 54.3) |
|
| |||
| Direct ICU admission - n (%) | 25 (44) | 16 (57) | 9 (31) |
|
| |||
| Pre-ICU length of stay - n (%) | 32 (56)2 | 12 (43) | 20 (69) |
| mean ± SD - days | 6.3 ± 11.3 | 6.4 ± 4.8 | 14.0 ± 15.63 |
| range - days | (0–59) | (1–16) | (1–59) |
Abbreviations: Acute Physiology and Chronic Health Evaluation (APACHE); standard deviation (SD); Intensive care unit (ICU)
1
p=0.02
2
p=0.05
3
log transformed for normality; p=<0001