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Table 1 Demographics comparison of 438 patients with or without MET alterations

From: MET alterations detected in blood-derived circulating tumor DNA correlate with bone metastases and poor prognosis

Characteristics

Total patients, N = 438 (100%)

MET wild type, N = 407 (92.9%)

MET alteration(s), N = 31 (7.1%)

P values*

Age at diagnosis (years) (median, CI 95%)

57.5 (54.5–59.1)

57.7 (55.3–59.2)

53.8 (49.0–62.2)

0.791

Gender

   

0.288

 Women

228 (52.1%)

209 (91.7%)

19 (8.3%)

 

 Men

210 (47.9%)

198 (94.3%)

12 (5.7%)

 

Ethnicity

 Caucasian

303 (69.2%)

284 (93.7%)

19 (6.3%)

0.326

 Asian

52 (11.9%)

46 (88.5%)

6 (11.5%)

0.188

 Hispanic

30 (6.8%)

28 (93.3%)

2 (6.7%)

0.928

 African American

9 (2.1%)

8 (88.9%)

1 (11.1%)

0.637

 Middle Eastern

5 (1.1%)

5 (100%)

0 (0%)

0.998

 Unknown

39 (8.9%)

36 (92.3%)

3 (7.7%)

0.875

Type of cancer

 Gastrointestinal

123 (28.1%)

118 (95.9%)

5 (4.1%)

0.132

 Brain

109 (24.9%)

107 (98.2%)

2 (1.8%)

0.026**

 Lung

102 (23.2%)

90 (88.2%)

12 (11.8%)

0.039**

 Breast

51 (11.6%)

45 (88.2%)

6 (11.8%)

0.172

 Genitourinary

18 (4.1%)

15 (83.3%)

3 (16.7%)

0.120

 Head and neck

10 (2.3%)

9 (90.0%)

1 (10.0%)

0.717

 Gynecologic

7 (1.6%)

6 (85.7%)

1 (14.3%)

0.465

 Melanoma

5 (1.1%)

4 (80.0%)

1 (20.0%)

0.285

 Hematologic

3 (0.7%)

3 (100%)

0 (0%)

0.998

 Othera

10 (2.3%)

10 (100%)

0 (0%)

0.998

Presence of metastasis or recurrence at the time of blood draw

 Yes

312 (71.2%)

284 (91.0%)

28 (9.0%)

0.024**

 No

126 (28.8%)

123 (97.6%)

3 (2.4%)

 
  1. The percentages on the first column are expressed over the total number of patients (N = 438); for the second and third columns, percentages are expressed over the total number of patients for each variable
  2. aLymphoma (n = 2), sarcoma (n = 2), thymoma (n = 2), desmoid tumor, neurofibromatosis, peripheral nerve sheath tumor, and carcinoma of unknown primary (each n = 1)
  3. *P values were computed using the independent sample Mann-Whitney U test for linear variables (age at diagnostic) and the logistic binary regression analysis for categorical variables, as appropriate
  4. **MET alterations were negatively associated with brain tumors but positively associated with lung tumors and metastasis or recurrence at the time of blood draw