Table 4

All-cause average per patient healthcare utilisation and costs, by cohort

Resource usedSTR (n=1797)2+PPD (n=5584)p Value
Hospitalisations
 Had ≥1 hospital admission (N, %)*37821.041,36524.440.0031
 Number of hospitalisations (overall follow-up) mean (SD)†1.88(1.59)2.1(2.23)0.0012
 Inpatient days (overall follow-up) mean (SD)†9.99(12.33)12.33(18.90)0.0228
 Costs per month, mean (SD)$834($4480)$1152($5212)0.0203
Emergency room (ER)
 Had ≥1 ER visit (N, %)*90350.252,74949.230.4517
 Number of visits per month, mean (SD)0.97(3.00)1.01(2.99)0.6107
 Costs per month, mean (SD)$45($160)$46($135)0.873
Office visits (primary care) (N, %)
 Had ≥1 office visit (N, %)*150983.97469984.150.8576
 Number of visits per month, mean (SD)1.52(3.00)1.43(2.19)0.1669
 Costs per month, mean (SD)$75($229)$70($291)0.5087
Home health (N, %)
 Had ≥1 home health visit (N, %)*50428.05186133.33<0.0001
 Number of visits per month, mean (SD)0.64(3.00)0.79(3.16)0.0625
 Costs per month, mean (SD)$47($198)$88($642)0.007
Laboratory (N, %)
 Had ≥1 lab order (N, %)*116865.00353063.220.1722
 Number of lab tests per month, mean (SD)1.24(2.00)1.19(1.69)0.2962
 Costs per month, mean (SD)$52($94)$46($120)0.0401
Pharmacy (N, %)
 Had ≥1 pharmacy claim (N, %)*1797100.005584100.00
 Number of prescriptions per month, mean (SD)4.99(4.00)6.73(4.05)<0.0001
 Costs per month, mean (SD)$1593($1105)$1779($1307)<0.0001
OP/ancillary (N, %)
 Had ≥1 other outpatient/ancillary visit (N, %)*175497.61546997.940.3957
 Number of visits per month, mean (SD)0.15(0.00)0.14(0.13)0.0078
 Costs per month, mean (SD)$313($607)$363($733)0.0087
Total healthcare utilisation and costs
 Had ≥1 medical visit/encounter (N, %)*1797100.005584100.00
 Number of total encounters per month, mean (SD)14.69(14.00)16.97(13.72)<0.0001
 Costs per month, mean (SD)$2959($4962)$3544($5811)0.0001
  • *Estimated overall available follow-up.

  • †Among hospitalised patients.