Table 2.
Comparisons between patients in the no-pain group and pain group following burn injury assessed by univariate analysis
| No-pain group (n = 1767) | Chronic pain group (n = 113) | ||||
|---|---|---|---|---|---|
| Comparison | n (%) | Median (IQR) | n (%) | Median (IQR) | P |
| Age, years | — | 46 (31–59) | — | 54 (39–62) | 0.002 |
| Sex | 0.146 | ||||
| Male | 1172 (66) | — | 67 (59) | — | — |
| Female | 595 (34) | — | 46 (41) | — | — |
| Alcohol abuse | 148 (8) | — | 33 (29) | — | <0.001 |
| Substance abuse | 163 (9) | — | 35 (31) | — | <0.001 |
| Current daily smoker | 585 (33) | — | 83 (73) | — | <0.001 |
| %TBSA | — | 3.5 (2–8) | — | 6 (3–25) | <0.001 |
| Full-thickness burns | 755 (43) | — | 66 (58) | — | <0.001 |
| Intubation/ventilation | 239 (14) | — | 37 (33) | — | <0.001 |
| Number of burn surgeries | — | 0 (0–1) | — | 2 (1–6) | <0.001 |
| Hospital LOS, days | — | 3 (1–9) | — | 11 (5–28) | <0.001 |
IQR interquartile range, %TBSA percent of total body surface area, LOS length of stay