Table 5.

Standardized differences of the continuous parameters between patient collectives with and without follow-up.

Follow-up
	Yes	No	Stand. diff.
	Mean ± SD	Mean ± SD
Age (years)	69.2 ± 9.6	67.9 ± 11.1	0.127
Defect size length (cm)	4.1 ± 2.6	4.4 ± 2.6	0.115
Defect size width (cm)	3.5 ± 1.8	4.2 ± 0.6	0.336
Mesh size (cm2)*	4.9 ± 0.8	5.1 ± 0.8	0.197
Duration of operation (min)*	3.9 ± 0.4	4.0 ± 0.4	0.163
Time to discharge (days)*	1.2 ± 0.6	1.3 ± 0.7	0.124

^*Log transformed data.