Fig 1.
Flowchart of study population selection.
Table 1.
Baseline characteristics of study population (N = 18,298).
Table 2.
The multivariate analyses of the association between wait time and thirty-day mortality.
Fig 2.
The relationship between preoperative wait time and postoperative thirty-day mortality.
Red line: Log RR for postoperative thirty-day mortality; Blue line: 95%CI. The model adjusted for all confounding variables.
Fig 3.
The cumulative hazard curve of thirty-day mortality stratified by preoperative wait time.
Red line: < 1 day group; Green line: 1-7 days group; Blue line: > 7 days group. The model adjusted for all confounding variables.
Table 3.
The results of subgroup analyses and interaction testing.
Table 4.
The results of propensity score matching based on wait time groups.
Table 5.
Thirty-day mortality of two wait time groups after propensity score matching.
Table 6.
The result of multivariate analyses after propensity score matching.