Table 1 Summary of Demographic and Clinical Characteristics by Histologic Subtype.

From: Matched MRI, Segmentations, and Histopathologic Images of Brain Metastases from Primary Lung Cancer

 

NSCLC

SCLC

Overall

Non-Adenocarcinoma

Adenocarcinoma

Number of biopsies/ scans (%)

20 (18%)

79 (71%)

12 (11%)

111

Size of dominant lesion (cm) (median; IQR)

3.5 (2.9–4.1)

3.3 (2.5–4.0)

3.6 (1.6–4.5)

3.3 (2.5–4.1)

Number of patients

18

74

11

103

Sex

 Male (%)

9 (50%)

27 (36%)

7 (64%)

43 (42%)

 Female (%)

9 (50%)

47 (64%)

4 (36%)

60 (58%)

Age at BM Dx (years) (median; IQR)

65.5 (58–71.5)

66 (61–72)

69 (63–74)

66 (60.5–72)

KPS at BM Dx (median; IQR)

80 (70–80)

75 (60–80)

70 (70–90)

70 (60–85)

ECM Present at BM Dx (%)

14 (78%)

48 (65%)

7 (64%)

69 (67%)

Num. BM at Dx (median ± IQR)

2 (1–4)

2 (1–4)

5 (1–5.5)

2 (1–5)

EGFR + (%)

0 (0%)

12 (16%)

0 (0%)

12 (12%)

ALK + (%)

0 (0%)

1 (1%)

0 (0%)

1 (1%)

PD-L1 + (%)

5 (28%)

16 (22%)

0 (0%)

21 (20%)

  1. BM refers to brain metastasis; Dx, diagnosis; ECM, extracranial metastasis; IQR, interquartile range.