MMP8 and chronic rhinosinusitis without nasal polyps: When the analysis was adjusted for CRSsNP, the odds ratios (OR) were 1.391, 1.015, 1.005, 1.006, 1.006, 1.013, and 1.029 for MMP‐3, MMP‐7, MMP‐8, MMP‐9, TIMP‐2, periostin, and tenascin C, respectively (p < 0.05).