Performance of aseptic technique during neuraxial analgesia for labor before and after the publication of international guidelines on aseptic technique

Table 1 Demographics of individual responding anesthesiologists and demographics of the participating hospitals

	2006	2009
*Demographics of participating anesthesiologists*
Respondents/Frame (% response rate)	135/160 (84.4%)	127/164 (77%)
Age (years): Median (IQR)	46 (37-54)	42.5 (37-50)
Experience (years): Median (IQR)	14 (5-25)	10 (5-18)
Males	96/131	89/124
Females	35/131	35/124
Attendings	67/135	62/127
Residents	56/135	58/127
NRNA (non-resident, non-attending)	12/135	7/127
*Demographics of participating hospitals*
Deliveries/year: Mean ± SD	8350 ± 2738	9222 ± 3253
% Epidural rate: Mean ± SD	45 ± 16	50 ± 18
% Cesarean rate: Mean ± SD	18 ± 5	18 ± 4

Continuous demographic variables were compared using one way ANOVA.
There were no significant differences between groups.
Note: Not all questions were answered by all respondents (95.5% of primary endpoint data in 2006, 99.5% in 2009), so the denominator is not constant throughout.

ISSN: 2045-4015