Table 1.

The nature and amount of extracted data of the each type, along with the portions of auto-corrected and evaluated elements. We consider test results to be auto-corrected if they contain at least one auto-corrected value. We consider diagnostic tests to be auto-corrected if they contain at least one auto-corrected test result.

Data	Extracted	Auto-corrected perc.		Evaluated
				Manually perc.		Against source perc.
Systematic reviews	63	-	-	1	1.6%	4	6.3%
Included studies	1,738	-	-	49	2.8%	203	11.7%
Data forms	1,356	-	-	49	3.6%	145	10.7%
Text entries	29,201	-	-	1,176	4.0%	3,281	11.2%
Excluded studies	6,699	-	-	132	2.0%	337	5.0%
Diagnostic tests	1,354	796	58.8%	43	3.2%	28	2.1%
Test results	5,848	1,981	33.9%	144	2.5%	330	5.6%
Study IDs	5,848	1,706	29.2%	144	2.5%	330	5.6%
Numerical	58,480	1,018	1.7%	1,440	2.5%	3,300	5.6%
Summary scores	589	-	-	-	-	-	-