TSLP and chronic rhinosinusitis without nasal polyps: TSLP concentration was found to be higher in the CRSsNP group compared to the control group, 23.280 ± 15.310 vs. 4.293 ± 1.480 pg/mL, p < 0.0001; and in CRSwNP was significantly higher compared to the control group, 16.920 ± 13.200 vs. 4.293 ± 1.480 pg/mL, p = 0.0490.