Table 2.

Risk assessment in the study population

	n	Events	HR (95% CI)
Propensity score matched cohort*
1-year all-cause mortality
Normal PR 120–200 ms	24 753	3129	1.0 (ref)
Prolonged PR >200 ms	8251	895	1.00 (0.93 to 1.08)
30 days all-cause mortality
Normal PR 120–200 ms	24 753	1042	1.0 (ref)
Prolonged PR >200 ms	8251	308	1.11 (0.97 to 1.28)
Sensitivity analysis†
1-year all-cause mortality
Normal PR 120–180 ms	21 063	2367	1.0 (ref)
Prolonged PR >200 ms	7021	606	0.90 (0.82 to 0.99)

Risk assessment in the study population.

*Heart rate adjusted propensity score matched cohort.

†Sensitivity analysis on heart rate adjusted propensity score matched cohort excluding PR intervals between 180 and 199 ms (online supplemental appendix D)