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. 2019 Feb 18;8(1):e000515. doi: 10.1136/bmjoq-2018-000515

Table 1.

Comparison of theatre timings

Baseline PDSA1 PDSA2
In suite mean (time) 09:19 08:46 08:50
 Mean difference (min) −34 −29
 SE 6.2 6.1
 P value *P≤0.001 *P≤0.001
Procedure start mean (time) 10:08 09:49 09:42
 Mean difference (min) −19 −26
 SE 6.7 6.6
 P value *P=0.018 *P≤0.001
Procedure end mean (time) 16:04 16:57 16:56
 Mean difference (min) +53 +52
 SE 26.8 26.1
 P value P=0.124 P=0.126
Out of theatre mean (time) 16:20 17:08 17:04
 Mean difference (min) +48 +44
 SE 26.4 25.7
 P value P=0.169 P=0.200

*P, statistical significance at the 95% CI.

PDSA, Plan-Do-Study-Act.