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Table 2 Comparison of Patient and Observer Assessment Scale scores

From: Aesthetic principles access thyroidectomy produces the best cosmetic outcomes as assessed using the patient and observer scar assessment scale

Variables

CA (N = 40)

APA (N = 40)

MIA (N = 40)

P value

Mean ± SD

Median (range)

Mean ± SD

Median (range)

Mean ± SD

Median (range)

Scar length (mm)

48.35 ± 4.29

46(43–56)

48.25 ± 2.65

48(44–55)

30.00 ± 3.00

30(24–35)

<0.001

POSAS score

 OSAS

9.80 ± 2.54

10(6–13)

7.48 ± 2.46

7(5–12)

11.48 ± 3.60

11(6–17)

<0.001

 PSAS

9.52 ± 3.18

9(6–16)

8.98 ± 2.75

8(6–14)

13.27 ± 4.56

12(8–21)

<0.001

Objective scar rating

3.05 ± 1.47

3(1–5)

2.35 ± 1.35

2(1–5)

4.10 ± 1.19

4(2–6)

<0.001

Overall patient satisfaction

1.98 ± 1.25

2(1–4)

1.60 ± 0.63

2(1–3)

3.37 ± 1.43

3(1–6)

<0.001

  1. CA conventional thyroidectomy, APA aesthetic principles access thyroidectomy, MIA minimally invasive thyroidectomy, POSAS Patient and Observer Scar Assessment Scale, OSAS Observer Scar Assessment Scale, PSAS Patient Scar Assessment Scale