Table 3.
Postoperative mental health over predetermined time periods.
| PROM | PHQ-9<5 (n = 186) | PHQ-95–10 (n = 94) | PHQ-9>10 (n = 71) | P valuea |
| PHQ-9 | ||||
| Preoperative | 1.9 ± 1.6 (186) | 6.8 ± 1.4 (94) | 15.4 ± 4.2 (71) | <0.001 |
| 6 wk | 1.7 ± 2.6 (132) | 3.3 ± 4.3 (73) | 8.2 ± 6.0 (53) | <0.001 |
| 12 wk | 1.8 ± 3.4 (72) | 5.2 ± 6.8 (44) | 8.5 ± 7.2 (31) | <0.001 |
| 6 mo | 1.3 ± 1.8 (55) | 5.2 ± 5.6 (36) | 8.8 ± 6.4 (25) | <0.001 |
| 1 y | 1.3 ± 2.2 (32) | 4.0 ± 4.8 (21) | 7.8 ± 7.4 (19) | <0.001 |
| Short Form 12-item MCS | ||||
| Preoperative | 54.9 ± 8.8 (178) | 46.0 ± 10.8 (89) | 37.7 ± 9.4 (69) | <0.001 |
| 6 wk | 57.5 ± 7.4 (123) | 52.7 ± 10.3 (64) | 45.6 ± 10.8 (55) | <0.001 |
| 12 wk | 58.3 ± 6.4 (71) | 50.4 ± 13.1 (39) | 46.1 ± 11.5 (23) | <0.001 |
| 6 mo | 58.0 ± 6.2 (52) | 51.3 ± 8.6 (30) | 48.5 ± 11.3 (22) | <0.001 |
| 1 y | 56.8 ± 7.7 (30) | 51.7 ± 10.4 (21) | 48.1 ± 12.3 (18) | 0.013 |
| Veterans RAND 12-item MCS | ||||
| Preoperative | 56.9 ± 7.7 (178) | 48.3 ± 9.6 (89) | 39.4 ± 9.5 (69) | <0.001 |
| 6 wk | 60.2 ± 7.4 (124) | 55.4 ± 10.2 (64) | 47.6 ± 11.5 (55) | <0.001 |
| 12 wk | 61.0 ± 6.8 (72) | 53.4 ± 13.3 (39) | 49.5 ± 12.5 (23) | <0.001 |
| 6 mo | 60.4 ± 6.1 (52) | 54.8 ± 8.5 (30) | 50.6 ± 13.4 (22) | <0.001 |
| 1 y | 59.9 ± 8.4 (30) | 54.7 ± 11.4 (21) | 50.1 ± 13.9 (18) | 0.013 |
Data presented as mean ± SD (n).
aP value was calculated using linear regression.
MCS, Mental Health Composite Score; PHQ-9, Patient Health Questionnaire-9.