Table 3.
Explanatory variables for cellulitis in patients with lymphoedema of the arm by univariate analysis (n = 2160)
| Risk factor | No cellulitis N (%) |
Cellulitis N (%) |
OR 95% CI | P-value |
|---|---|---|---|---|
| Sex | ||||
| Female | 1830 (95.41) | 233 (96.28) | 1.00 | |
| Male | 88 (4.59) | 9 (3.72) | 0.80 (0.40, 1.62) | 0.54 |
| Age | ||||
| < 45 years | 193 (10.07) | 16 (6.64) | 1.00 | |
| 45–64 years | 977 (50.97) | 126 (52.28) | 1.56 (0.90, 2.68) | |
| 65–74 years | 432 (22.54) | 65 (26.97) | 1.81 (1.02, 3.22) | 0.27 |
| 75–84 years | 262 (13.67) | 28 (11.62) | 1.30 (0.68, 2.45) | |
| 85 + years | 53 (2.76) | 6 (2.49) | 1.37 (0.51, 3.66) | |
| Weight category | ||||
| Normal weight | 1274 (66.49) | 156 (64.73) | 1.00 | |
| Under weight | 22 (1.15) | 1 (0.41) | 0.37 (0.05, 2.77) | |
| Obesity | 559 (29.18) | 76 (31.54) | 1.11 (0.83, 1.49) | 0.66 |
| Morbid obesity | 61 (3.18) | 8 (3.32) | 1.07 (0.50, 2.28) | |
| Leg mobility | ||||
| Walks unaided | 1760 (91.81) | 231 (95.85) | 1.00 | |
| Walks with aid | 131 (6.83) | 6 (2.49) | 0.35 (0.15, 0.80) | 0.03 |
| Chair/bed bound | 26 (1.36) | 4 (1.66) | 1.17 (0.41, 3.39) | |
| Arm mobility | ||||
| Full | 1410 (73.55) | 176 (73.03) | 1.00 | |
| Limited/ none | 507 (26.45) | 65 (27.69) | 1.03 (0.76, 1.39) | 0.86 |
| Diabetes | ||||
| Absent | 1730 (90.20) | 220 (90.91) | 1.00 | |
| Present | 188 (9.80) | 23 (9.09) | 0.92 (0.58, 1.46) | 0.73 |
| Heart failure/ ischemic heart disease | ||||
| Absent | 1827 (95.26) | 231 (95.45) | 1.00 | |
| Present | 91 (4.74) | 11 (4.55) | 0.96 (0.50, 1.81) | 0.89 |
| Neurological disease | ||||
| Absent | 1863 (97.28) | 242 (100.00) | ||
| Present | 52 (2.72) | 0 (0)* | 0.009 | |
*OR cannot be produced as there were no patients with neurological disease in the cellulitis group