Table 4. Predictive margins of isolated brain metastasis histologically identified as adenocarcinoma and squamous cell cancer shown separately and assuming other covariates operated at statistical means.

Clinical stage group	Adenocarcinoma			Squamous cell cancer
	Predictive margin, %	95% confidence interval, %		Predictive margin, %	95% confidence interval, %
cT1N0	1.90	1.76–2.05		0.44	0.40–0.48
cT1N1	9.80	8.75–10.8		2.50	2.15–2.78
cT1N2	11.6	10.8–12.4		3.00	2.69–3.25
cT1N3	12.3	11.0–13.6		3.20	2.76–3.60
cT2N0	7.40	6.92–7.82		1.80	1.66–1.96
cT2N1	17.3	16.0–18.6		4.70	4.27–5.14
cT2N2	17.5	16.6–18.3		4.80	4.40–5.11
cT2N3	15.9	14.5–17.4		4.30	3.78–4.76
cT3N0	9.40	8.71–10.2		2.40	2.14–2.60
cT3N1	13.9	12.4 - 15.5		3.70	3.17–4.15
cT3N2	17.3	16.4–18.4		4.70	4.35–5.11
cT3N3	15.8	14.2–17.4		4.20	3.68–4.77
cT4N0	10.6	9.70–11.5		2.70	2.40–2.97
cT4N1	15.7	13.7–17.7		4.20	3.58–4.84
cT4N2	17.6	16.5–18.7		4.80	4.42–5.18
cT4N3	19.5	17.8–21.3		5.40	4.83–6.05