Table 4.

Costs of the most frequent conditions affecting patients with PI.

Condition	Average no. of episodes	Cost per episode	Annual cost
Persistent otitis media	4.2	$607	$2,549
Serious sinus & upper respiratory infections	4.6	$1,125	$5,175
Viral infections	3.7	$2,038	$7,540
Acute bronchitis	3.1	$468	$1,450
Bacterial pneumonias	2.8	$4,748	$13,294
Bronchiectasis	4.3	$2,136	$9,184
Hospitalization days	19.8	$2,607	$51,618
Physician/ER visits	70.8	$367	$25,983
Days on antibiotics	166.2	$5	$831
School/workdays missed	33.9	$200	$6,780
Total per patient			$124,404

The average number of episodes of each condition is listed in the second column. The estimated cost per episode and the associated total annual cost are listed in the third and fourth columns. The total annual cost per patient is shown in the bottom row of the fourth column. All costs are US based.