Randomized controlled trial of compressive cryotherapy versus standard cryotherapy after total knee arthroplasty: pain, swelling, range of motion and functional recovery

Table 1 Demographics of the two study groups at baseline (rehab D1)

Data	Compressive cryotherapy		Standard cryotherapy		P value
Data	Median	[IQR]	Median	[IQR]	P value
Number	20		20		NA
Inclusion (day)	5,57	[3,7 − 6,8]	5.50	[3,6−6,4]	0.233
Women/Men	2/18		7/13		0.108
Age (years)	77.0	[72.0-79.8]	76.0	[71.5–82.5]	0.989
Height (cm)	162.0	[158.0-170.2]	165.0	[157.5–171.0]	0.642
Mass (kg)	80.5	[72.0-84.9]	71.7	[68.3–81.8]	0.160
BMI (kg/m²)	31.0	[25.5–33.4]	25.9	[23.7–30.4]	0.116

MED = median; IQR = interquartile range; cm = centimeter; kg = kilogram; NA = Non Applicable; BMI : Body Mass Index; kg/m² = kilograms per meter²; D = Day. Statistical tests: Chi-square test with Yates correction for categorical variables (Women/Men) and Mann-Whitney test for numeric data. Inclusion: in postoperative days.

ISSN: 1471-2474