Table 4—

Per capita direct medical costs of care outside the DPP by intervention group, years 1–3

PlaceboPlacebo costsMetforminMetformin costsLifestyleLifestyle costsMetformin vs. placebo ($)Lifestyle vs. placebo ($)
Hospital days0.811,9060.721,6940.721,694−212−212
Emergency room visits0.661100.651090.74124−213
Urgent care visits1.381261.321201.21110−5−15
Outpatient visits12.9466013.2667611.6359316−67
Calls to providers10.3420711.1622310.0820216−5
Prescription medications4.922,0024.711,9174.551,856−85−147
Total (years 1–3)5,0114,7394,579−272−432