Table 2.

Internal Data Integrity Alarms in Two Research Databases

	Database B		Database S
Field	Records	Alarms, N (%; 95% CI)	Records	Alarms, N (%, 95% CI)	P-value
Diagnosis date	5859	63 (1.08; 0.83–1.37)	2050	N/A
Radiation Start	3145	40 (1.28; 0.91–1.73)	1841	35 (1.9; 1.33–2.63)	0.091
Last Follow-up Visit	3696	7 (0.2; 0.08–0.39)	3006	9 (0.3; 0.14–0.57)	0.452