Table 2.
Distribution of Preoperative Pain Scores*
| Full Sample (N=459) | Depressive symptoms (n=113) | No Depressive Symptoms (n=346) | |
|---|---|---|---|
| Worst Pain within 7 Days
| |||
| Mean (SD) | 6·6 (2·6) | 7·1 (2·2) | 6·5 (2·7) |
| Median (IQR) | 7 (5–8) | 7 (6–9) | 7 (4–8) |
| Level of worst pain, n (%) | |||
| None/Mild | 71 (15) | 6 (5) | 65 (19) |
| Moderate | 104 (23) | 26 (23) | 78 (23) |
| Severe | 284 (62) | 81(72) | 203 (59) |
|
| |||
| Average Pain within 7 Days†
| |||
| Mean (SD) | 4·7 (2·4) | 5·3 (2·0) | 4·5 (2·5) |
| Median (IQR) | 5 (3–6) | 5 (4–7) | 5 (3–6) |
| Level of average pain, n (%) | |||
| None/Mild | 145 (32) | 20 (18) | 125 (36) |
| Moderate | 205 (45) | 60 (54) | 145 (42) |
| Severe | 105 (23) | 32 (29) | 73 (21) |
|
| |||
| Current Pain | |||
| Mean (SD) | 2·3 (2·6) | 2·7 (2·8) | 2·2 (2·5) |
| Median (IQR) | 2 (0–4) | 2 (0–5) | 1 (0–4) |
| Level of current pain, n (%) | |||
| None/Mild | 331 (72) | 73 (65) | 258 (75) |
| Moderate | 85 (19) | 26 (23) | 59 (17) |
| Severe | 43 (9) | 14 (12) | 29 (8) |
SD=standard deviation. IQR=inter-quartile range.
*
Pain is rated on a scale of 0–10. Scores of 0=no pain, scores of 1–3=mild pain, scores of 4–6=moderate pain, and scores of 7–10=severe pain. None and mild pain levels were combined because few subjects rated worst or average pain with scores of 0.
†
Excludes three participants unable to recall their average pain and one who refused to answer.