| Depression Cohort | Depression Cohort + Fulfillment Data Available | |
|---|---|---|
| PHQ-9s collected, n | 1440 | 192 |
| Episodes with at least one PHQ-9, n | 738 | 169 |
| Patients with at least one PHQ-9, n | 670 | 149 |
| Baseline severity of illness measurement | ||
| Episodes with a baseline PHQ-9,* n | 135 | 22 |
| Days between index depression diagnosis and closest PHQ-9, n | ||
| Mean | −8.9 | −5.3 |
| Median | 0.0 | 0.0 |
| Range | −116 to 6 | −116 to 5 |
| Baseline PHQ-9s collected | ||
| Before index diagnosis date (T−120 to T−1) | 26 (19.26) | 2 (9.09) |
| On index diagnosis date | 99 (73.33) | 16 (72.73) |
| After index diagnosis date (T+1 to T+7) | 10 (7.41) | 4 (18.18) |
| Baseline severity of illness levels | ||
| ICD-9 severity level | ||
| Level 1 (mild) | 8 (10.96) | — |
| Level 2 (moderate) | 11 (15.07) | — |
| Level 3 (severe without psychosis) | 0 (0.00) | — |
| Level 4 (severe with psychosis) | 0 (0.00) | — |
| PHQ-9 severity level | ||
| 0–4 (no depression) | 25 (18.52) | 0 (0.00) |
| 5–9 (minimal) | 39 (28.89) | 5 (22.73) |
| 10–14 (mild) | 31 (22.96) | 8 (36.36) |
| 15–19 (moderate) | 23 (17.04) | 3 (13.64) |
| 20–27 (severe) | 17 (12.59) | 6 (27.27) |
| Baseline suicidality measurement | ||
| ICD-9 suicidality | ||
| Ideation | 0 (0.00) | 0 (0.00) |
| Suicide attempt | 0 (0.00) | 0 (0.00) |
| None | 135 (100.0) | 22 (100.0) |
| PHQ-9 item 9 (suicidality) score | ||
| Mean | 0.4 | 0.6 |
| Median | 0.0 | 0.0 |
| Range | 0–3 | 0–3 |
| Specific scores | ||
| 0 (no thoughts in past 2 weeks) | 76 (73.08) | 14 (63.64) |
| 1 (thoughts on several days) | 20 (19.23) | 4 (18.18) |
| 2 (thoughts on more than half the days) | 6 (5.77) | 3 (13.64) |
| 3 (thoughts nearly every day) | 2 (1.92) | 1 (4.55) |
Data provided as n (%) unless otherwise indicated.
↵* Baseline PHQ-9 was defined as the closest total PHQ-9 score within 120 days before and 7 days after the index depression diagnosis date.
ICD-9, International Classification of Diseases, Ninth Revision.