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Table 1 Descriptive statistics of the ten TCGA cancers after combining GTEx

From: Incorporating genetic similarity of auxiliary samples into eGene identification under the transfer learning framework

Cancer

n0

n1

m0

m1

Age

Female/male

Stage/grade (1/2/3/4/5)

Tissue in GTEx

n2

m2

k0

k1

ACC

97

75

9,473,821

4,592,516

47.6 ± 16.5

50/25

8/33/16/18/0

Adrenal gland

175

8,886,529

7371

6897

BRCA

1283

736

10,639,477

2,211,750

58.8 ± 13.0

736/0

138/408/174/11/5

Breast mammary

251

8,886,322

7714

4236

COAD

570

201

16,825,606

3,873,035

66.0 ± 13.0

97/104

34/78/62/27/0

Colon transverse

246

8,879,795

7716

6221

LIHC

469

166

12,269,510

3,359,173

62.7 ± 14.1

73/93

79/44/39/4/0

Liver

153

8,871,933

7143

5318

LUAD

577

384

15,199,217

3,607,888

65.9 ± 9.9

213/171

216/90/62/16/0

Lung

383

8,853,514

7781

666

LUSC

765

344

11,830,021

3,130,896

67.1 ± 8.8

94/250

176/117/48/3/0

Lung

383

8,835,520

7781

5464

OV

758

455

5,635,755

1,373,814

60.2 ± 11.4

455/0

9/19/353/74/0

Ovary

122

8,798,367

7499

410

PAAD

223

159

14,099,808

4,410,547

65.6 ± 10.8

69/90

20/130/4/5/0

Pancreas

220

8,764,053

7237

6709

STAD

544

249

12,286,585

3,183,096

64.8 ± 10.2

97/152

33/75/128/13/0

Stomach

237

8,700,105

7586

5482

UCEC

605

368

17,131,516

3,747,929

64.4 ± 10.8

368/0

239/33/79/17/0

Uterus

101

8,886,529

7532

6642

  1. n0: the initial sample size in TCGA; n1: the sample size after quality control; n2: the sample size in GTEx; m0: the initial number of SNPs in TCGA; m1: the number of shared SNPs between TCGA and GTEx; m2: the initial number of SNPs in GTEx; k0: the number of genes after combination; k1: the number of genes after quality control; ACC: adrenocortical cancer; BRCA: breast cancer; COAD: colon cancer; LIHC: liver cancer; LUAD: lung adenocarcinoma; LUSC: lung squamous cell carcinoma; OV: ovarian cancer; PAAD: pancreatic cancer; STAD: stomach cancer; UCEC: endometrioid cancer