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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 5 Association of demographic and clinical factors with postoperative outcome scores

From: Function and return to sports after proximal humeral replacement in patients with primary bone sarcoma

Factors

Yes

No

p value

Male

MSTS: 18 (IQR 12–24)

MSTS: 18 (IQR 11–24)

p = 0.270

TESS: 83% (IQR 70–88)

TESS: 77% (IQR 64–83)

p = 0.596

TS: 5 (IQR 4–6)

TS: 5 (IQR 4–6)

p = 0.850

WAS: 6 (IQR 2–10)

WAS: 5 (IQR 0–13)

p = 0.650

BMI (< 30)

MSTS: 16 (IQR 12–20)

MSTS: 18 (IQR 12–24)

p = 0.734

TESS: 79% (IQR 76–82)

TESS: 80% (IQR 67–86)

p = 0.907

TS: 2 (IQR 0–4)

TS: 5 (IQR 4–6)

p = 0.081

WAS: 3 (IQR 0–6)

WAS: 5 (IQR 2–10)

p = 0.532

Intraarticular tumour resection

MSTS: 19 (IQR 12–25)

MSTS: 17 (IQR 13–20)

p = 0.795

TESS: 81% (IQR 59–87)

TESS: 78% (IQR 71–86)

p = 0.952

TS: 5 (IQR 4–6)

TS: 5 (IQR 3–6)

p = 0.920

WAS: 6 (IQR 2–14)

WAS: 2 (IQR 0–5)

p = 0.070

Preservation of the axillary nerve

MSTS: 21 (IQR 14–26)

MSTS: 14 (IQR 11–19)

p = 0.027

TESS: 84% (IQR 70–93)

TESS: 76% (IQR 47–82)

p = 0.049

TS: 5 (IQR 5–6)

TS: 4 (IQR 3–6)

p = 0.193

WAS: 11 (IQR 5–18)

WAS: 2 (IQR 0–4)

p < 0.001

Reverse shoulder reconstruction

MSTS: 21 (IQR 17–26)

MSTS: 15 (IQR 12–22)

p = 0.116

TESS: 83% (IQR 78–88)

TESS: 76% (IQR 61–85)

p = 0.158

TS: 5 (IQR 4–6)

TS: 5 (IQR 3–6)

p = 0.578

WAS: 7 (IQR 5–12)

WAS: 3 (IQR 0–7)

p = 0.032

Radiotherapy

MSTS: 18 (IQR 11–26)

MSTS: 15 (IQR 12–24)

P = 0.593

TESS: 84% (IQR 69–93)

TESS: 79% (IQR 65–85)

p = 0.404

TS: 6 (IQR 5–7)

TS: 5 (IQR 3–6)

p = 0.124

WAS: 10 (IQR 4–17)

WAS: 4 (IQR 0–7)

p = 0.037

Chemotherapy

MSTS: 18 (IQR 15–24)

MSTS: 16 (IQR 12–24)

p = 0.464

TESS: 83% (IQR 71–92)

TESS: 77% (IQR 62–83)

p = 0.168

TS: 5 (IQR 4–6)

TS: 6 (IQR 4–6)

p = 0.985

WAS: 6 (IQR 2–10)

WAS: 4 (IQR 0–11)

p = 0.464

Revision surgery

MSTS: 12 (IQR 11–22)

MSTS: 18 (IQR 13–24)

p = 0.389

TESS: 76% (IQR 45–87)

TESS: 80% (IQR 70–87)

p = 0.479

TS: 4 (IQR 1–6)

TS: 5 (IQR 4–6)

p = 0.241

WAS: 2 (IQR 0–6)

WAS: 6 (IQR 2–11)

p = 0.166

High level of sports prior to diagnosisa

MSTS: 18 (IQR 12–21)

MSTS: 18 (IQR 12–26)

p = 0.722

TESS: 81% (IQR 66–93)

TESS: 79% (IQR 68–84)

p = 0.512

TS: 6 (IQR 3–6)

TS: 6 (IQR 4–6)

p = 0.722

WAS: 24 (IQR 2–34)

WAS: 6 (IQR 0–10)

p = 0.023

  1. Statistically significant p values are shown in bold
  2. MSTS Musculoskeletal Tumor Society Score, TESS Toronto Extremity Salvage Score, TS Tegner Activity Score, WAS weighted activity score
  3. aDefined as a WAS prior to diagnosis of > 10