Table 1 Auxological referral criteria taken from the Dutch Consensus Guideline [3]

Absolute height

HSDS* < -2.5 (P0.6)

1

Clinical symptoms

HSDS* < -1.3 (P10) AND (dysmorphic features OR disproportions)

2

Persistent short stature after born SGA**

SGA** AND HSDS* < -1.88 (P3) after the age of 2 years

3

HSDS_cor ^†

♂: < 10 yr and > 13.4 yr;

HSDS* < -1.3 AND HSDS-THSDS < -1.3

4

♀: < 9 yr and > 12.3 yr

Pubertal age^▪:

HSDS* < -1.3 AND HSDS-THSDS^§ < -1.3 AND pubertal signs

5

♂: 10 – 13.4 yr;

♀: 9 – 12.3 yr

Deflection^‡

♂: < 10 yr and > 13.4 yr;

T2 – T1 > 1

6a

♀: < 9 yr and > 12.3 yr

(SDS1 – SDS2)/(T2-T1) < -0.25

T2 – T1 > 1

6b

(SDS1 – SDS2) < -1

Pubertal age^▪:

T2 – T1 > 1

7a

♂: 10 – 13.4 yr;

(SDS1 – SDS2)/(T2-T1) < -0.25

♀: 9 – 12.3 yr

With pubertal signs

T2 – T1 > 1

7b

(SDS1 – SDS2) < -1

With pubertal signs