Difference in outcome in patients with various grades of severe burns treated with standard medical management
| Response variable | p Value | |||
| IV and V | V and VI | IV and VI | ||
| Time taken for healing (days) | ||||
| Roper Hall IV | 60 (14–90) | 0.2363 | 0.2753 | 0.0824 |
| Dua IV | 31 (14–60) | |||
| Dua V | 40 (30–60) | |||
| Dua VI | 60 (30–90) | |||
| Epithelial healing rate (mm2/day) | ||||
| Roper Hall IV | 2.4 (0.27–4.8) | 0.6156 | 0.5784 | 0.3175 |
| Dua IV | 1.87 (1.1–4.8) | |||
| Dua V | 3.4 (0.27–4.8) | |||
| Dua VI | 2.4 (1.6–4.8) | |||
| Extent of corneal haze (%) | ||||
| Roper Hall IV | 75 (0–100) | 0.8128 | 0.9654 | 0.4461 |
| Dua IV | 55 (50–100) | |||
| Dua V | 50 (50–100) | |||
| Dua VI | 80 (0–100) | |||
| Grade of corneal clarity | ||||
| Roper Hall IV | 3 (0–4) | 0.6017 | 0.1386 | 0.4982 |
| Dua IV | 2.5 (1–4) | |||
| Dua V | 2 (1–3) | |||
| Dua VI | 3 (0–4) | |||
| Corneal vascularisation (quadrants involved) | ||||
| Roper Hall IV | 4 (1–4) | 0.2118 | 0.5142 | 0.0290 |
| Dua IV | 2.5 (1–4) | |||
| Dua V | 4 (1–4) | |||
| Dua VI | 4 (2–4) | |||
| Decimal Visual acuity | ||||
| Roper Hall IV | 0.01 (0.0001–0.67) | 1.0000 | 0.1677 | 0.2971 |
| Dua IV | 0.075 (0.0001–0.67) | |||
| Dua V | 0.01 (0.01–0.5) | |||
| Dua VI | 0.0055 (0.0001–0.67) | |||
| LogMAR visual acuity | ||||
| Roper Hall IV | 2 (0.2–4) | 1.0000 | 0.1677 | 0.2971 |
| Dua IV | 1.15 (0.2–4) | |||
| Dua V | 2 (0.3–2) | |||
| Dua VI | 2.5 (0.2–4) | |||