| Characteristic | Comparison group () | Guided Imagery () | Total () | |
| Age, y | | | | | Mean (SD) | 64 (14.1) | 65.2 (12.7) | 64.60 (13.25) |
.78 | Median, range | 61, 35–93 | 66, 39–89 | 64.50, 35–93 | | Female sex, % | 15, 71.4% | 8, 38.1% | 23, 54.8% | .03 | Race, % | | | | .05 | White | 12, 57.1% | 17, 81% | 29, 69% | | African American | 7, 33.3% | 1, 4.8% | 8, 19% | | Others | 2, 9.5% | 3, 14.3% | 5, 11.9% | | Marital status, % | | | | .87 | Married | 6, 28.6% | 14, 66.7% | 20, 47.6% | | Single | 6, 28.6% | 2, 9.55 | 8, 19% | | Others | 9, 42.9% | 5, 23.8% | 14, 33.3% | | Number of comorbidities | | | | | Mean (SD) | 5.9 (2.8) | 4.7 (2.6) | 5.29 (2.7) | .14 | Median, range | 6, 1–15 | 4, 1–10 | 5, 1–15 | | Acute physiology and chronic health evaluation (APACHE) score | | | | | Mean (SD) | 22.9 (8) | 25.8 (6.7) | 24.36 (7.42) | .21 | Median, range | 24, 10–39 | 24, 9–38 | 24, 9–39 | | Primary reason for ICU admission, % | | | | .09 | Respiratory | 14, 66.7% | 11, 52.4% | 25, 59.5% | | Cardiac | 4, 19% | 8, 38.1% | 12, 28.6% | | Others | 3, 14.3% | 2, 9.5% | 5, 11.9% | | Hospital length of stay | | | | | Mean (SD) | 21.33 (15.9) | 19.90 (11.1) | 20.63 (13.6) | .74 | Total days on ventilator | | | | | Mean (SD) | 13.14 (15.2) | 8.26 (7.3) | 10.7 (12.1) | .20 | Median, range | 7, 2–56 | 7, 1–29 | 7, 1–56 | | Ventilator mode | | | | .06 | Assist control, % | 18, 85.7% | 10, 47.6% | 28, 66.7% | | Synchronized intermittent mandatory, % | 2, 9.5% | 3, 14.3% | 5, 11.9% | | Pressure control, % | 1, 4.8% | 8, 38.1% | 9, 21.4% | |
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