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Table 1 Comparison of Demographic Data between Group S and Group P

From: Comparison of outcomes according to fixation technique following the modified Ludloff osteotomy for hallux valgus in patients with rheumatoid arthritis

  Group S Group P p value
Patients (number of feet) 15 (15) 14 (16)  
Age, years [mean (range)] 51.4 (30–65) 57.4 (45–69) 0.064
Sex All female All female 1.000
Bone mass index, kg/m2 [mean (SD)] 22.9 (2.2) 22.7 (3.5) 0.843
Side [right: left] 7: 8 5: 11 0.379
Follow up duration, months [mean (range)] 33.3 (12–84) 22.2 (12–50) 0.080
Duration of rheumatoid arthritis, years [mean (range)] 10.5 (3–24) 13.4 (5–27) 0.232
Preoperative CRP, mg/dl [mean(range)] 0.2 (0–1.7) 0.3 (0–1.5) 0.572
Preoperative ESR, mm/h [mean(range)] 21.9 (2–52) 27.3 (2–66) 0.379
Preoperative DAS28-ESR [mean(range)] 3.57 (2.39–5.88) 3.63 (2.45–5.00) 0.834
Preoperative Larsen grade of the first MTP joint [0:1:2:3:4:5] 3:4:8:0:0:0 4:5:7:0:0:0 1.000
Akin osteotomy performed [n (%)] 11 (73) 14 (88) 0.394
Lesser toe procedures [n (%)]    0.376
 Resection arthroplasty
 Weil osteotomy
5 (33)
1 (6)
6 (37)
4 (25)
 
Operation time, minutes [mean (SD)] 137 (41.6) 164 (42.5) 0.163
DMAA, ° [mean(range)] 13.4 (3.4–28.8) 14.3 (4.8–25.4) 0.545
Preoperative femoral neck BMD, g/cm2 [mean (SD)] 0.672 (0.117) 0.592 (0.079) 0.033*
Preoperative femoral neck T-score [mean (SD)] −1.2 (1.1) −2.0 (0.72) 0.036*
  1. *Significant difference
  2. CRP C-reactive protein, ESR Erythrocyte sedimentation rate
  3. DAS28-ESR Disease Activity Score using 28 joint counts based on ESR, MTP metatarsophalangeal
  4. DMAA Distal metatarsal articular angle, BMD Bone mineral density