Table 4. Odds ratios with 95% confidence interval of patient characteristics, surgery and postoperative management variables for long-term complications using univariate logistic regression.
|
Lymphoedema
|
Cellulitis/erysipelas
|
Any long-term complication
|
||||
|---|---|---|---|---|---|---|
| Variables | N | OR (95% CI) | N | OR (95% CI) | N | OR (95% CI) |
| Age (years) | 160 | 0.95 (0.93–0.98)* | 160 | 0.96 (0.94–0.99)* | 160 | 0.94 (0.92–0.97)* |
| BMI (in kg m–2) | 152 | 1.02 (0.95–1.09) | 152 | 1.04 (0.97–1.11) | 152 | 1.04 (0.97–1.12) |
| Bilateral IFL | ||||||
| Yes | 133 | 1.78 (0.76–4.17) | 133 | 0.84 (0.36–1.99) | 133 | 1.04 (0.44–2.46) |
| No | 27 | 1.00 (Ref) | 27 | 1.00 (Ref) | 27 | 1.00 (Ref) |
| En bloc surgery | ||||||
| Yes | 70 | 1.09 (0.59–2.04) | 70 | 0.93 (0.48–1.81) | 70 | 0.75 (0.39–1.44) |
| No | 90 | 1.00 (Ref) | 90 | 1.00 (Ref) | 90 | 1.00 (Ref) |
| Ligation saphenous vein | ||||||
| Yes | 30 | 1.58 (0.71–3.53) | 30 | 1.12 (0.49–2.56) | 30 | 1.49 (0.63–3.51) |
| No | 126 | 1.00 (Ref) | 126 | 1.00 (Ref) | 126 | 1.00 (Ref) |
| Total nodes dissected (number) | 160 | 0.95 (0.88–1.02) | 160 | 0.94 (0.87–1.02) | 160 | 0.92 (0.85–0.99)* |
| Total positive nodes (number) | 160 | 1.09 (0.80–1.49) | 160 | 0.86 (0.61–1.23) | 160 | 0.91 (0.67–1.24) |
| Extracapsular growth (number) | 160 | 0.95 (0.66–1.36) | 160 | 0.74 (0.42–1.30) | 160 | 0.87 (0.60–1.24) |
| Duration drain in situ (days) | 147 | 1.00 (0.93–1.07) | 147 | 0.93 (0.85–1.01) | 147 | 0.97 (0.90–1.05) |
| Drain production last day (10 ml) | 120 | 1.00 (0.96–1.03) | 120 | 1.02 (0.99–1.06) | 120 | 1.01 (0.97–1.05) |
| Total drain production (10 ml) | 144 | 1.00 (1.00–1.00) | 144 | 1.00 (1.00–1.00) | 144 | 1.00 (1.00–1.00) |
| Adjuvant radiotherapy | ||||||
| Yes | 39 | 1.02 (0.49–2.09) | 39 | 1.80 (0.86–3.79) | 39 | 1.40 (0.65–3.03) |
| No | 120 | 1.00 (Ref) | 120 | 1.00 (Ref) | 120 | 1.00 (Ref) |
| Wound breakdown | ||||||
| Yes | 30 | 0.92 (0.41–2.03) | 30 | 0.53 (0.21–1.33) | 30 | 0.70 (0.31–1.57) |
| No | 129 | 1.00 (Ref) | 129 | 1.00 (Ref) | 129 | 1.00 (Ref) |
| Wound infection | ||||||
| Yes | 46 | 0.84 (0.42–1.67) | 49 | 0.93 (0.45–1.93) | 49 | 0.96 (0.47–1.95) |
| No | 114 | 1.00 (Ref) | 114 | 1.00 (Ref) | 114 | 1.00 (Ref) |
| Lymphocele | ||||||
| Yes | 47 | 0.62 (0.31–1.24) | 47 | 2.54 (1.25–5.13)* | 47 | 1.01 (0.50–2.04) |
| No | 113 | 1.00 (Ref) | 113 | 1.00 (Ref) | 113 | 1.00 (Ref) |
| Any short-term complication | ||||||
| Yes | 94 | 0.67 (0.36–1.27) | 94 | 1.66 (0.84–3.28) | 94 | 0.90 (0.47–1.74) |
| No | 65 | 1.00 (Ref) | 65 | 1.00 (Ref) | 65 | 1.00 (Ref) |
Abbreviations: N=patients with valid observation; OR=odds ratio; CI=confidence interval; BMI=body mass index; IFL=inguinofemoral lymphadenectomy; (10 ml)=odds ratio assessed per 10 ml increase of lymph fluid; Ref=reference.
*P<0.05.