eTable 1. Descriptive statistics for the three variables of outcome quality of postoperative pain therapy depending on level of care.
Level of care | Age (years) | Proportion of men | Maximum pa in | Pain-related restriction of movement | Satisfaction | |
Standard care | Mean | 61.56 | 0.45 | 4.54 | 0.58 | 13.03 |
N | 8796 | 8784 | 8865 | 8821 | 7812 | |
SD | 14.1 | 2.4 | 0.493 | 2.26 | ||
Specialized center | Mean | 62.48 | 0.44 | 5 | 0.69 | 12.56 |
N | 5443 | 5468 | 5485 | 5441 | 4818 | |
SD | 14.35 | 2.34 | 0.46 | 2.36 | ||
University hospital | Mean | 60.89 | 0.43 | 5.73 | 0.69 | 11.68 |
N | 447 | 444 | 444 | 439 | 419 | |
SD | 15.56 | 2.77 | 0.47 | 3.01 | ||
Maximum care other than university hospital | Mean | 59.7 | 0.48 | 4.84 | 0.52 | 12.49 |
N | 1734 | 1728 | 1739 | 1727 | 1627 | |
STD | 16.04 | 2.53 | 0.5 | 2.66 | ||
Other | Mean | 65.77 | 0.49 | 4.76 | 0.7 | 13.43 |
N | 862 | 872 | 874 | 860 | 759 | |
STD | 11.17 | 2.54 | 0.46 | 1.93 |
SD, standard deviation
Pain intensity (highest intensity since operation), 11-point numeric rating scale (NRS): 0 = no pain; 10 = worst imaginable pain;
restriction of movement (% of “yes” responses); satisfaction (16-point NRS: 0 = completely unsatisfied; 15 = absolutely satisfied)