Table 3.

Extracted cell passaging criteria

Criterion	Articles
Based on cell culture confluence
50%–70%	1	0.7%
60%–80%	1	0.7%
70%	2	1.5%
70%–90%	3	2.2%
80%	6	4.4%
Based on time intervals
2 days	1	0.7%
2–3 days	1	0.7%
3–4 days	1	0.7%
7 days	1	0.7%
No cell passaging criteria were reported	120	87.6%

Extracted cell passaging criteria (including additional information obtained through contacting the authors). One criterion per article. The column ‘Articles’ shows the absolute and relative frequencies of articles with the parameter phenotype in relation to all 137 included articles.