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POTENTIAL CONFOUNDING VARIABLES
| — | Control group (n = 20) |
Suggestion group (n = 19) |
|---|---|---|
|
| ||
| Age (yr) | 43·80 (7·1) | 41·79 (6·5) |
| Preoperative anxiety (20–60) | 43·95 (12·9) | 41·00 (9·4) |
| Intraoperative blood loss (ml) | 309·17 (221·2) | 314·80 (181·5) |
| Duration of surgery (min) | 66·31 (16·8) | 70·63 (23·9) |
| Ethnic origin of patient | ||
| Caucasian | 9 | 13 |
| Afro-Caribbean | 11 | 6 |
| Anaesthetist's experience | ||
| Consultant | 8 | 10 |
| Other | 12 | 8 |
| Surgeon's experience | ||
| Consultant | 18 | 12 |
| SR/registrar | 2 | 7 |
Mean (SD).
