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Table 4 Values of the growth rates (dvol %/dt) for the subgroups in subsets B (carcinoma group) and C (adenoma group) using the statistical approach 2 with a median follow-up time of 26 and 42 months, respectively. us: ultrasound

From: Growth rates of malignant and benign thyroid nodules in an ultrasound follow-up study: a retrospective cohort study

Approach 2 [„Multiple Recordings“]

 

Mean

[%/months]

SD

[%/months]

Range

[%/months]

P-value

subset B (carcinoma group)

 female (n = 22)

10.7

29.1

−1.6 - 142.4

0.117

 male (n = 4)

4.9

2.3

2.0–7.3

 age < 50 years (n = 14)

19.3

39.1

−1.6 - 142.4

0.361

 age ≥ 50 years (n = 12)

1.8

2.1

−2.0 - 7.3

 us type 2 or 3 (n = 7)

2.2

2.5

−1.5 - 7.3

0.57

 us type 4 or 5 (n = 21)

8.1

24.8

−1.6 - 142.4

subset C (adenoma group)

 female (n = 22)

1.8

4.0

−8.3 - 19.3

0.337

 male (n = 4)

4.5

7.0

−0.3 - 18.2

 vage <50 years (n = 12)

2.3

4.1

−1.6 - 19.3

0.960

 age ≥ 50 years (n = 14)

1.7

3.9

−8.3 -18.2

 us type 2 or 3 (n = 18)

2.1

4.2

−8.3 - 19.3

0.088

 us type 4 or 5 (n = 8)

1.8

4.0

−2.0 - 18.2