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. 2012 Oct 9;110(1):87–95. doi: 10.1093/bja/aes352

Table 1.

Baseline data (N=520). Data presented as mean (range)*, mean (95% confidence intervals)** or as a number (n) of patients; EDA, epidural analgesia

Survey 1 Survey 2 P
Questionnaire distributed/returned
 All wards 296/269 294/251 0.7
 Orthopaedics 77/75 74/64 0.9
 Traumatology 78/67 70/63 0.8
 Visceral surgery 73/68 74/59 0.9
 Gynaecology 68/59 76/64 0.7
Age (year)* 52 (18–88) 54 (19–89) 0.08
Gender, f/m (N) 175/94 144/107 0.09
ASA I 54 33
ASA II 155 158
ASA III 51 50
ASA IV 0 1
Patients, taking analgesics last 6 months 11 9 0.6
EDA 18 24 0.3
Peripheral neural catheters 12 16 0.4
Surgery-related a priori pain score** 5.5 (5.3–5.7) 5.7 (5.6–5.9) 0.15