Observed measures of compliance (created by the authors)
| Percentage meeting manufacturer set-up guidelines | |||||
| Pneumatic | 100% | ||||
| Peristaltic | 0% | ||||
| Peristaltic | Mean in inches | % Non-compliant | Lowest | Highest | Manufacturer guidelines |
| Middle of the pump location relative to the patient’s heart (inches) | 5.3 | 55.70 | −22 | 23 | Level with patient |
| Distance from the top of the pump to the top of the primary fluid level (inches) | 9.99 | 100 | 0 | 19 | 20 inches (minimum) |
| Distance between top primary fluid and top secondary fluid (inches) | 10.5 | 37.20 | 0.5 | 22 | 9.5 inches (minimum) |