Table 2 OSA severity [n (%)] in relation to snoring duration quartiles

From: Regular snoring is associated with uncontrolled hypertension

  

Quartiles of percent of sleep time spent snoring

  

0 to 0.9%

0.9 to 4%

4 to 12%

12 to 83%

Obstructive sleep apnea severity categorya

No OSA

1727 (38%)

1413 (31%)

974 (22%)

405 (9%)

Mild

920 (22%)

1070 (25%)

1250 (29%)

996 (24%)

Moderate

303 (13%)

420 (19%)

596 (26%)

943 (42%)

Severe

115 (9%)

171 (13%)

254 (20%)

730 (58%)

  1. aOSA category was defined using standard clinical cut-offs (<5 events/h sleep = no OSA, ≥5 and <15 = mild, ≥15 and <30 = moderate and ≥30 events/h sleep = severe OSA).