. 2021 Jul 9;27:1609846. doi: 10.3389/pore.2021.1609846

TABLE 5.

Mean and median survival times (months) of patients with ESCC with F. nucleatum infection.

Group		Mean ^a				Median ^a				$χ^{2}$	P
		Est	Std. Error	95% confidence interval		Est	Std. Error	95% confidence interval
		Est	Std. Error	Lower bound	Upper bound	Est	Std. Error	Lower bound	Upper bound
*F. nucleatum*	Positive	27.906	1.844	24.292	31.520	24.000	2.764	18.582	55.703	32.294	0.001
	Negative	41.839	1.455	38.987	44.690	47.000	4.440	38.297	51.970
	Overall	37.024	1.221	34.631	39.418	36.000	2.091	31.901	40.099

Estimation was limited to the longest survival time; “Est.” and “Std.” represent “estimated” and “standard”, respectively.