TABLE 1.

Specific organ metastatic rates and average survivals in LUAD patients

Patients	LUAD patients		Organ metastatic cohort	Average survival (months)	95% CI
	No.	Percentage	Percentage
Total	40 117	100%	NA	25.82	25.56–26.09
Without any organ metastasis	22 588	56.31%	NA	36.40	36.03–36.78
With specific organ metastasis	17 529	43.69%	100%	12.19	11.95–12.42
With bone metastasis	9440	23.53%	53.85%	10.81	10.52–11.11
With brain metastasis	7167	17.87%	40.89%	11.94	11.58–12.31
With liver metastasis	3784	9.43%	21.59%	8.43	8.03–8.82
With lung metastasis	6661	16.60%	38.00%	12.60	12.21–12.99
Metastatic organ no.
1	10 507	26.19%	59.94%	13.81	13.48–14.15
2	4899	12.21%	27.95%	10.23	9.84–10.62
3	1745	4.35%	9.95%	8.70	8.12–9.27
4	378	0.94%	2.16%	8.31	7.20–9.42
2–4	7022	17.50%	40.06%	9.75	9.43–10.06

Abbreviations: CI, confidence interval; LUAD, lung adenocarcinoma; NA, not applicable.