We followed published principles and guidelines to form treated and non-treated pairs based on their propensity scores. Figure 2 depicts the adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for the binary variables. The c-statistic was 0.707, indicating an acceptable level of discrimination between SCD and NONE patients. A spline function of a continuous variable is a smooth function composed of polynomial pieces connected at interior points called knots in the range of the variable. The variables included in the final model for propensity scores were sex, any type of cancer, comorbidities, and three continuous variables modeled by splines: age (6 terms), log-transformed LOS (3 terms), and CCI (4 terms). We experimented with different specifications, especially for LOS and CCI, with the same qualitative conclusion. There are features of randomness in the selection of treated patients and their matches that could lead to different models for assessing the propensity scores. For each patient, we estimated the propensity score (likelihood of receiving SCD) from a multivariable logistic regression model.
Since patients were not randomly assigned to receive SCDs, propensity score analysis was performed. Hawaii, Alaska, Puerto Rico and all international orders are subject to additional fees.Differences between the SCD group and NONE group were compared using t-tests or Wilcoxon rank sum tests for continuous variables and chi-square tests for categorical variables.
Purchasing an overland-freight truck item.įree Freight Shipping, when applicable, only applies to the 48 contiguous United States. If you do not have a loading-dock, be sure to choose lift-gate as your delivery option when Made-to-order items may have longer shipping lead times.Ĭustomer will be notified as soon as Truck-Freight items become available for overland freight shipment We will attempt to notify you by email and provide a tracking # when your product(s) ship.įreight Shipping (Truck Freight) Heavy items (anything over 150 lbs), bulk-freight, and pallet truck items and custom fabrication Orders placed over the weekend will be processed first thing Monday morning. International orders are subject to additional fees. Via 3-7 business day ground delivery service (unless lead-time is otherwise noted on the product page).įree ground shipping only applies to the 48 contiguous United States. Standard Ground Shipping Most items are processed within 24 hours and are shipped from the warehouse within 48 hours It can also start, stop, or pause the sequential pressure massage.
The controls control the pressure of the air chambers anywhere from 30-mmHg to 250-mmHg, can change which chamber is compressed, turn on one of the preset timed massages, and set/change the time. You can control the leg cuffs using either the buttons on the air pump, or the wireless remote.
SEQUENTIAL DEVICE ZIP
Zip your legs into the cuff and relax in a seated or lying down position. To use, set the pump on a flat surface and connect the air pump to the cuff. To clean, wipe the cuff with a damp cloth and dry off immediately. The compression system comes with leg cuff extenders that extend up to 4-inches to fit and effectively treat tired, swollen legs. Setting "C" will compress two chambers at a time, cycling between the foot and calf, and the ankle and thigh. Setting "B" will compress each chamber until the whole leg is compressed, then release. Setting "A" will compress each chamber one at a time, starting at the foot and ending at the thigh. Three operational presets will sequentially compress the chambers for 10, 20, or 30 minute massages. (4) Air compression chambers target the foot, ankle, calf, and thigh for a total leg massage that's guaranteed to leave you feeling revitalized and refreshed.
The Sequential Compression Device - Leg Sleeves and Pump by Vive Health is for individuals who have circulation issues, spend long days on their feet, or could benefit from a luxurious leg massage.
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