Table 2.
Demography, type of intervention and outcomes of the patients with primary surgical treatment for pilonidal disease at hospital A in 2003 till November 2012
| Variable | Surgical method | ||
|---|---|---|---|
| Conventional wide excision | Modified Lord–Millar | p value | |
| Total numbers | 129 | 113 | |
| Male sex, number (%) | 116 (90) | 86 (76) | 0.004 |
| Age, years, mean (SD) | 28.5 (10.7) | 27.4 (8.4) | 0.41 |
| Number of visits, mean (SD) | |||
| Pre-operatively | 2.6 (3.2) | 1.6 (1.9) | 0.006 |
| Post-operatively | 14.6 (28.2) | 2.4 (3.6) | <0.001 |
| History of abscess, number (%) | 72 (56) | 89 (79) | <0.001 |
| Lateral tract, number (%) | 95 (74) | 64 (57) | 0.019 |
| Mean length of stay, nights (SD) | 0.9 (0.6) | 0.04 (0.2) | <0.001 |
| Local anaesthesia, number (%) | 9 (7) | 108 (96) | <0.001 |
| Sick leave, days, mean (SD) | 34.7 (64.7) | 1.0 (3.5) | <0.001 |
| Follow-up, years, mean (SD) | 5.1 (2.6) | 3.3 (2.1) | <0.001 |
| Estimated recurrence at 5 years, % (95% CI) | 23 (16–31) | 32 (23–43) | 0.091 |
| Reimbursement per patient, EUR, mean (SD) | 6222 (6802) | 2231 (1109) | <0.001 |