TABLE 1

Number of Total Hospitalizations, LRTI Hospitalizations, and Severe LRTI Hospitalizations in Commercial and Medicaid MarketScan Databases, 2007–2011

Age Group, yCommercial DatabaseMedicaid Database
Total HospitalizationsLRTI Hospitalizations (% Total Hospitalizations)Severe LRTIHospitalizations (% LRTI Hospitalizations)LRTI Hospitalizations With Mechanical Ventilation (% LRTI Hospitalizations)Total HospitalizationsLRTI Hospitalizations (% Total Hospitalizations)Severe LRTI Hospitalizations (% LRTI Hospitalizations)LRTI Hospitalizations With Mechanical Ventilation (% LRTI Hospitalizations)
<11 299 79545 080 (3.5)6565 (14.6)753 (1.7)1 094 17452 558 (4.8)7008 (13.3)1091 (2.1)
1 to <261 10818 171 (29.7)2180 (12.0)202 (1.1)43 58812 084 (27.7)1142 (9.5)177 (1.5)
2–4115 07624 210 (21.0)2942 (12.2)248 (1.0)69 09414 608 (21.1)1558 (10.7)224 (1.5)
5–9143 03918 324 (12.8)2498 (13.6)256 (1.4)79 5438510 (10.7)1117 (13.1)208 (2.4)
10–18557 31614 731 (2.6)2612 (17.7)386 (2.6)356 1986246 (1.8)1228 (19.7)259 (4.1)
Total2 176 334120 516 (5.5)16 797 (13.9)1845 (1.5)1 642 59794 006 (5.7)12 053 (12.8)1959 (2.1)