Table 2.
Mean health resource utilization per patient before and 12 months after IgG treatment initiation
| Health Resource Utilization | Adult Patients (Age ≥18 Years) | Pediatric Patients (Age <18 Years) | ||||||
|---|---|---|---|---|---|---|---|---|
| n | Baseline (12-Months Pre-treatment),a
Mean (SD) |
12- Months, Mean (SD) | p-value | n | Baseline (12-Months Pre-treatment),a
Mean (SD) |
12 Months, Mean (SD) | p-value | |
| Regularly scheduled office visits | 16 | 7.1 (7.8) | 8.9 (8.7) | NS | 7 | 10.6 (5.3) | 11.3 (5.7) | NS |
| Unscheduled office visits | 17 | 11.6 (15.6) | 3.8 (5.4) | NS | 7 | 20.0 (9.2) | 8.3 (6.8) | 0.01 |
| Emergency room visits | 17 | 1.8 (2.4) | 0.4 (0.7) | <0.05 | 7 | 6.3 (8.3) | 1.9 (3.3) | NS |
| Hospital admissions | 17 | 1.4 (2.4) | 0.2 (0.4) | 0.05 | 8 | 2.8 (2.1) | 0.4 (0.5) | 0.01 |
| Length of stayb | -- | -- | -- | 3 | 46.0 (46.1) | 7.7 (8.1) | NS | |
| Number of serious infectionsc | 12 | 8.0 (7.2) | 2.5 (1.6) | <0.05 | 6 | 16.7 (9.0) | 5.0 (2.1) | <0.05 |
| Days missed from work or schoold | 12 | 25.5 (36.9) | 37.4 (103.4) | NS | 4 | 63.5 (77.8) | 46.0 (36.5) | NS |
| Number of antibiotic prescriptions | 16 | 5.5 (4.0) | 2.5 (2.3) | <0.01 | 6 | 11.3 (9.0) | 4.2 (2.6) | NS |
aPre-enrollment data was annualized
bOnly 1 adult patient had length-of-stay data
cSerious infections defined as: acute or chronic sinusitis, bronchitis, pneumonia, ear infection, or other acute or chronic infection
dFour adult patients who were retired were excluded from this analysis
ER emergency room, IgG immunoglobulin G, NS not significant, SD standard deviation