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Table 1 Patient characteristics, symptoms, and endoscopic findings

From: Clinical predictors of chronic rhinosinusitis: do the Canadian clinical practice guidelines for acute and chronic rhinosinusitis predict CT-confirmation of disease?

  Non-CRS (CT-) n = 55 CRS (CT+) n = 71 p* Sensitivity Specificity PPV NPV +LR
Age in years [mean (+/−SD)] 45 (14.7) 48(15.7) 0.249      
Sex      
 Male, n (%) 18(33) 37(52) 0.047      
 Female, n (%) 37(67) 34(48)      
Medical History
 History of asthma, n (%) 11(20) 7(10) 0.099 9.9 80 38.9 40.7 0.495
 History of smoking, n (%) 4(7) 8(11) 0.250 11.3 92.7 66.7 44.7 1.54
 History of allergies, n (%) 5(9) 8(11) 0.463 11.3 94.5 61.5 44.2 2.05
CPODS criteria
 Congestion, n (%) 24 (44) 37(52) 0.373 52.1 56.4 60.7 47.7 1.19
 Pain/pressure/fullness, n (%) 40 (73) 44(62) 0.254 62.0 27.3 52.4 35.7 0.85
 Obstruction, n (%) 30 (55) 45(63) 0.362 63.4 45.5 60.0 49.0 1.16
 Discharge, n (%) 31 (56) 52(73) 0.059 73.2 43.6 62.7 55.8 1.30
 Smell loss, n (%) 15 (27) 26(37) 0.338 36.6 72.7 63.4 47.1 1.34
 CPODS + (at least 2/5), n (%) 46 (84) 62(87) 0.795 87.3 16.4 57.4 50.0 1.04
Endoscopic findings
 Purulence, n (%) 4 (7) 10 (14) 0.226 14.1 92.7 71.4 45.5 1.94
 Polyps, n (%) 1 (2) 13 (18) 0.003 18.3 98.2 92.9 48.2 10.07
 Middle meatal edema, n (%) 20 (36) 34 (48) 0.209 47.9 63.6 63.0 48.6 1.32
  1. *2-sided Fischer’s exact test. Significant values in bold