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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