Table 2 Clinical and PET characteristics of different PTCL subtypes

Sex: female/male

18/29

9/21

3/4

Age: ≤ 60 years/> 60 years

25/22

12/18

6/1

LDH: normal/higher than normal

26/21

9/21

3/4

B symptoms: no/yes

21/26

8/22

4/3

ECOG performance status: 0–1/> 1

29/18

21/9

7/0

Ann Arbor stage: I–II/III–IV

10/37

2/28

3/4

Extranodal sites ≥ 2: no/yes

33/14

25/5

7/0

BMB: negative/positive

35/12

22/8

6/1

Ki-67 ≥ 80%: no/yes

35/12

22/8

6/1

Platelet cell count ≥ 150 × 10⁹/L: no/yes

24/23

22/8

2/5

SUVmax

10.6 (2.6–25.5)

11.3 (3.9–25.5)

14.3 (4.3–33.5)

TMTV (cm³)

277.7 (3.4–1334.6)

521.5 (4.3–1887.0)

67.8 (3.8–250.0)

TLG

638.1 (10.9–3255.9)

1825.5 (10.9–6308.0)

411.1 (14.9–1182.9)