Age as a Prognostic Factor in Anaplastic Thyroid Cancer

Table 4

Mean and median survival in patients with anaplastic thyroid cancer (in weeks) in relation to age.

Age; (years)	Mean survival; (weeks)	Standard error	95% confidence interval	Median survival; (weeks)	Standard error	95% confidence interval
<50	174.3	52.7	71–277.5	62.0	86.6	0–231.8
51–70	50.2	10.1	30.5–70.1	16.0	1.1	13.8–18.2
>70	30.0	8.8	12.8–47.3	12.0	0.9	10.2–13.7

Log-rank 𝑃 = 0.008.