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. 2017 Apr 25;12(4):e0176328. doi: 10.1371/journal.pone.0176328

Table 4. Predictors for patients delay between trauma and seeking care (n = 3350).

Spearman Rank Correlation Multivariate linear regressiona,b
number ra p-valueb βc p-value
Age in decades 3350 0.083 <0.0001 >0 (longer delay) <0.0001
Female gender (n = 1712) 3350 0.058 0.00074 >0 (longer delay) 0.0037
Work-related trauma (n = 1037) 3314 -0.036 0.039 <0 (shorter delay) 0.097
Traffic accident (n = 2395) 3350 -0.020 0.24

a The patients delay between trauma and seeking care (days) was transformed to ranked normal score of the dependent variable, using Blom’s formula.

b Variables with p <0.05 in Spearman’s rank correlation were entered into the multivariate model.

c The point estimate and confidence intervals for the beta coefficient as such makes no sense since the dependent variable is transformed as a rank. Hence, only it’s direction is indicated.