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Association between sinonasal surgical treatment and graft vs. host disease (GVHD).
| With surgery | Without surgery | Total | |
|---|---|---|---|
| With GVHD | 14 | 15 | 29 |
| Without GVHD | 6 | 60 | 66 |
| Total | 20 | 75 | 95 |
p < 0.001; odds ratio = 9.05; confidence interval (95%) = 2.73–33.98.
