Table 1.

Characteristics of the study population.

Characteristic	Patients		Admissionsa within				Deaths within
	No.	%	30 days		120 days		30 days		120 days
			No.	Rateb	No.	Rateb	No.	Rateb	No.	Rateb
All patients combined	10,825	100.0	492	45.5	2929	270.6	14	1.3	67	6.2
Age group (years)
<50	218	2.0	9	41.3	49	224.8	0	0.0	0	0.0
50–59	1948	18.0	88	45.2	593	304.4	0	0.0	6	3.1
60–69	4973	45.9	201	40.4	1361	273.7	3	0.6	24	4.8
70–79	3297	30.5	175	53.1	837	253.9	8	2.4	25	7.6
≥80	389	3.6	19	48.8	89	228.8	3	7.7	12	30.8
SIMD fifth
1 – Most deprived	1770	16.4	103	58.2	510	288.1	3	1.7	13	7.3
2	1797	16.6	79	44.0	481	267.7	2	1.1	10	5.6
3	1989	18.4	80	40.2	545	274.0	4	2.0	15	7.5
4	2382	22.0	112	47.0	674	283.0	4	1.7	16	6.7
5 – Least deprived	2887	26.7	118	40.9	719	249.0	1	0.3	13	4.5
Prior co-morbidity (Charlson score)
0 conditions	7058	65.2	290	41.1	1544	218.8	8	1.1	29	4.1
1–2 conditions	3754	34.7	202	53.8	1380	367.6	6	1.6	38	10.1
≥3 conditions	13	0.1	0	0.0	5	384.6	0	0.0	0	0.0
Prior co-morbidity (bed days)c
0	7058	65.2	290	41.1	1544	218.8	8	1.1	29	4.0
1–10	3767	34.8	202	53.6	1385	367.7	6	1.6	38	10.1
≥11	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0
Diagnosed with prostate cancerd
Yes	5227	48.3	218	41.7	1816	347.4	7	1.2	35	6.7
No	5598	51.7	274	48.9	1113	198.8	7	1.4	32	5.7

^aContinuous inpatient stays.

^bRate per 1000 during 30 or 120 days, respectively.

^cNumber of inpatient bed days in the five years (excluding the most recent six months) before prostate biopsy.

^dWithin 120 days, before or after prostate biopsy date.