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Table 1 Demographic and Preoperative Data of Patients

From: Arthroscopic microfracture with atelocollagen augmentation for osteochondral lesion of the talus: a multicenter randomized controlled trial

  Group 1 (n = 31)a Group 2 (n = 29)a p-value
Age (y) 35.03 ± 15.69 39.10 ± 14.86 0.35
Sex (male/female) 15/16 13/16 0.78
Height (cm) 166.16 ± 9.64 164.45 ± 9.76 0.50
Weight (kg) 72.51 ± 17.25 75.54 ± 19.81 0.47
BMI (kg/m2) 26.14 ± 4.24 27.66 ± 4.85 0.31
Lesion size (mm2) 96.84 ± 71.93 109.43 ± 11.93 0.78
ICRS grade
Grade II, n (%) 0 (0.00%) 2 (3.33%) 0.26
Grade III, n (%) 7 (11.67%) 9 (15.00%)  
Grade IV, n (%) 24 (40.00%) 18 (30.00%)  
Preoperative 100-mm VAS 51.37 ± 19.04 56.78 ± 19.73 0.10
  1. aValues are given as the mean ± standard deviation, with the exception of sex and ICRS grade. BMI body mass index, ICRS international cartilage repair society, VAS visual analog scale. Group 1: experimental group (microfracture + atelocollagen augmentation), Group 2: control group (microfracture alone)