Table 2.
Healing time by aetiology
| Aetiology | n | Healing time | BCa 95% CI | ||
|---|---|---|---|---|---|
| Mean | Standard deviation | Lower | Upper | ||
| Arterial leg ulcer | 29 | 142·8 | 113·8 | 106·2 | 184·9 |
| Chronic – other than leg ulcers or p/u | 87 | 128·2 | 140·3 | 101·5 | 161·1 |
| Malignancy | 65 | 125·1 | 139·2 | 94·0 | 157·9 |
| Mixed leg ulcer | 37 | 107·9 | 94·8 | 81·9 | 138·4 |
| Venous leg ulcer | 94 | 106·5 | 104·4 | 87·3 | 125·7 |
| Neuropathic/diabetic | 77 | 100·8 | 86·7 | 83·7 | 120·8 |
| Pressure ulcer – stage 4* | 18 | 99·6 | 72·9 | 68·2 | 133·7 |
| Pressure ulcer – stage 3 | 63 | 96·0 | 96·3 | 74·7 | 119·5 |
| Pressure ulcer – stage 2 | 127 | 84·2 | 95·9 | 67·5 | 102·8 |
| Undefined leg ulcer | 133 | 78·4 | 81·7 | 65·9 | 92·4 |
| Skin disease | 20 | 74·4 | 86·9 | 46·5 | 106·5 |
| Other | 149 | 62·0 | 81·0 | 51·7 | 72·6 |
| Pressure ulcer – stage 1 | 72 | 62·0 | 66·7 | 48·5 | 77·2 |
| Fistula/abscess/pilonidal sinus | 61 | 55·1 | 73·5 | 39·4 | 73·7 |
| Acute – surgical/crush/trauma | 1732 | 47·9 | 59·8 | 45·3 | 51·1 |
| Skin tear category 2a | 38 | 44·3 | 69·4 | 27·2 | 65·0 |
| Skin tear category 2b | 30 | 42·5 | 38·1 | 30·4 | 56·4 |
| Skin tear category 3 | 45 | 41·7 | 39·0 | 32·2 | 53·8 |
| Irradiation* | 10 | 35·5 | 30·5 | 17·4 | 55·0 |
| Drain tube* | 14 | 34·1 | 39·9 | 18·4 | 60·0 |
| Skin tear category 1b | 41 | 31·2 | 29·9 | 23·1 | 40·7 |
| Skin tear category 1a | 67 | 29·2 | 26·2 | 23·3 | 35·5 |
| Total healed wounds | 3009 | 61·4 | 77·7 | 58·7 | 64·0 |
CI, confidence interval.
*
Indicates sample size is less than 20.