Abstract P199 Table Characteristics and outcome of patients referred for overnight oximetry
Mean age (95% CI)Mean ESS (95% CI)Median dip rate per hour (IQR)CPAP at 1 year (%)
Gender
    Male (n  =  317)53 (51.8 to 54.7)10.8 (10.1 to 11.4)4.9* (2.1 to 16.4)40.4**
    Female (n  =  128)54 (50.9 to 56.5)11.4 (10.4 to 12.4)3.2* (1.1 to 8.2)29.7**
ESS >10
    Male (n  =  170)51 (49.4 to 53.2)14.9 (14.4 to 15.4)5.8* (2.1 to 26.5)50.6**
    Female (n  =  80)52 (48.7 to 55.8)14.5 (13.7 to 15.3)3.2* (1.4 to 10.8)35.0**
Age stratified, years
    <55 (n  =  232)43 (41.4 to 43.7)11.6*** (10.9 to 12.4)3.8 (1.4 to 14.8)37.9
    >55 (n  =  213)65 (64.2 to 66.3)10.2*** (9.5 to 10.9)5.3 (2.3 to 15.0)36.6
  • *p<0.01 Mann–Whitney U test; **p<0.05 χ2 test; ***p<0.01 Student’s t test. CPAP, continuous positive airway pressure; ESS, Epworth Sleepiness Score; IQR, interquartile range.