Table 4.

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

Follow-up
	Yes	No	Stand. diff.
	n (%)	n (%)
Male	182 (87.50)	105 (79.55)	0.216
Underweight	1 (0.48)	2 (1.52)	0.104
Normal weight	53 (25.48)	33 (25.00)	0.011
Overweight	78 (37.50)	57 (43.18)	0.116
Obesity/morbid	75 (36.06)	40 (30.30)	0.122
Laparoscopic surgery	69 (33.17)	45 (34.09)	0.019
ASA score I	1 (0.48)	2 (1.52)	0.104
ASA score II	58 (27.88)	29 (21.97)	0.137
ASA score III-IV	149 (71.63)	101 (76.52)	0.112
Elective	207 (99.52)	126 (95.45)	0.262
Recurrent operation	12 (5.77)	12 (9.09)	0.127
Defect suture	84 (40.38)	49 (37.12)	0.067
Defect size I (<4 cm)	102 (49.04)	58 (43.94)	0.102
Defect size II (4–10 cm)	102 (49.04)	69 (52.27)	0.065
Defect size III (>10 cm)	4 (1.92)	5 (3.79)	0.112
Preoperative pain	105 (50.48)	88 (66.67)	0.333
No preoperative pain	84 (40.38)	37 (28.03)	0.263
Unknown preoperative pain	19 (9.13)	7 (5.30)	0.148
Drainage	84 (40.38)	63 (47.73)	0.148
Risk factors - total	152 (73.08)	98 (74.24)	0.026
Intraoperative complications - total	2 (0.96)	1 (0.76)	0.022
General complications - total	6 (2.88)	7 (5.30)	0.122
Postoperative complications - total	14 (6.73)	15 (11.36)	0.162
Complication-related reoperations	5 (2.4)	8 (6.06)	0.182