n (%) P Valuea
Study Cohort 1 Study Cohort 2 Control Group Study Cohort 1 Study Cohort 2
Hospitalizations
Total (18-45 y) 1552 (56.46) 1065 (38.74) 856 (31.14) <.01 <.01
18-19 y <5 0 (0) 0 (0)
20-26 y 179 (51.88) 133 (38.55) 98 (28.41) <.01 <.01
27-30 y 340 (56.86) 245 (40.97) 230 (38.46) <.01 <.01
31-35 y 434 (56.81) 348 (45.55) 264 (34.55) <.01 <.01
36-40 y 326 (56.50) 186 (32.24) 151 (26.17) <.01 <.01
41-45 y 270 (58.57) 153 (33.19) 113 (24.51) <.01 <.01
Outpatient visits
Total (18-45 y) 2748 (99.96) 2748 (99.96) 2713 (98.69) <.01 <.01
18-19 y <5 <5 <5
20-26 y 345 (100.00) 345 (100.00) 341 (98.84) .12 .04
27-30 y 598 (100.00) 598 (100.00) 588 (98.33) <.01 <.01
31-35 y 764 (100.00) 764 (100.00) 758 (99.21) .03 <.01
36-40 y 577 (100.00) 576 (99.83) 568 (98.44) <.01 <.01
41-45 y 460 (99.78) 461 (100.00) 454 (98.48) .07 <.01