Table 1 Patient Demographics and Clinical Characteristics.

From: Predictive Value of Pretherapeutic Maximum Standardized Uptake Value (Suvmax) In Laryngeal and Hypopharyngeal Cancer

Variable

 

All patients

No. of patients = 97

Hypopharynx (H)

No. of patients = 57

Larynx (L)

No. of patients = 40

P valuea

H vs. L

Age

    

0.184

Years

Median (Q25-75)

64 (56–70.5)

64 (58–71)

62.5 (54–70)

 

Gender

    

0.199

Male

n (%)

85 (87.6%)

52 (91.2%)

33 (82.5%)

 

Female

n (%)

12 (12.4%)

5 (8.8%)

7 (17.5%)

 

Smoking

Present (%)

94 (96.9%)

55 (96.5%)

39 (97.5%)

0.778

 

Absent (%)

3 (3.1%)

2 (3.5%)

1 (2.5%)

 

Pack years

Median (Q25-75)

40 (30–60)

40 (20–60)

50 (40–80)

0.014*

Alcohol abuse

Present (%)

49 (50.5%)

32 (56.1%)

17 (42.5%)

0.186

Absent (%)

48 (49.5%)

25 (43.9%)

23 (57.5%)

 

p16/ HPV PCR

Positive

8 (8.3%)

6 (10.5%)

2 (5%)

0.681

Negative

37 (38.1%)

25 (43.9%)

12 (30%)

 

n/a

52 (53.6%)

26 (45.6%)

26 (65%)

 

PET imaging

SUVmax primary tumor

Median (Q25-75)

10.4 (7.4–15.7)

12.3 (9.2–15.3)

8.8 (6.7–16.6)

0.062

TLG primary  tumor

Median (Q25-75)

34696 (18160–75166)

42926 (21467–77672)

29060 (15555–55644)

0.054

MTV primary tumor (cm3)

Median (Q25-75)

6.1 (3.6–8.7)

6.1 (3.6–9.7)

5.9 (3.5–8.2)

0.393

SUVmax nodal (cN+)

Median (Q25-75)

9.7 (7.3–11.8)

10.8 (7.5–12.3)

8 (6.8–10)

0.041*

Pharyngo-/Laryngectomy

Yes (%)

23 (23.7%)

14 (24.6%)

9 (22.5%)

0.814

No (%)

74 (76.3%)

43 (75.4%)

31 (77.5%)

 

T-classification

    

0.99

T1-T2

n (%)

40 (41.2%)

24 (42.1%)

16 (40%)

 

T3-T4

n (%)

57 (58.8%)

33 (57.9%)

24 (60%)

 

N-classification

    

<0.001*

N0

n (%)

36 (37.1%)

10 (17.5%)

26 (65%)

 

N1

n (%)

11 (11.3%)

8 (14%)

3 (7.5%)

 

N2a-b

n (%)

29 (30%)

23 (40.4%)

6 (15%)

 

N2c-N3

n (%)

21 (21.6%)

16 (28.1%)

5 (12.5%)

 
  1. aMann-Whitney U Test for continuous variables, 2-sided Pearson Chi-Squared Test for categorical variables.
  2. SUVmax: maximum standard uptake value. TLG: total lesion glycolysis. MTV: metabolic tumor volume.
  3. P value for null hypothesis; *statistically significant.