Cementing does not increase the immediate postoperative risk of death after total hip arthroplasty or hemiarthroplasty: a hospital-based study of 10,677 patients

Figures & data

Table 1. Baseline characteristics for the patient cohorts

	Uncemented	Cemented	Uncemented	Hybrid	Cemented
	HA	HA	THA	THA	THA
Number of patients	1,142	1,868	4,855	612	1,274
Number of operations	1,173	1,935	5,563	640	1,366
Percentage of females	67	74	56	68	73
Mean age (SD)	81 (10)	83 (8)	65 (10)	75 (8)	77 (6)
range	37–107	40–103	13–96	38–91	42–97
ASA class 1–2, n (%)	115 (10)	194 (10)	3,303 (59)	258 (40)	494 (36)
ASA class 3, n (%)	707 (60)	1,234 (64)	2,163 (39)	363 (57)	819 (60)
ASA class 4, n (%)	349 (30)	501 (26)	86 (2)	18 (3)	52 (4)

THA = total hip arthroplasty. HA = hemiarthroplasty.

Table 2. Number of deaths

	Uncemented	Cemented	Uncemented	Hybrid	Cemented
	HA	HA	THA	THA	THA
Number of operations	1,173	1,935	5,563	640	1,366
Number of deaths, n (%)
0–2 days	22 (1.9)	50 (2.6)	0	1 (0.2)	3 (0.2)
0–10 days	61 (5.2)	99 (5.1)	4 (0.1)	2 (0.3)	5 (0.4)
0–30 days	105 (9.0)	171 (8.9)	6 (0.1)	2 (0.3)	9 (0.7)
0–90 days	173 (14.8)	303 (15.7)	17 (0.3)	5 (0.8)	19 (1.4)
0–180 days	227 (19.4)	388 (20.1)	29 (0.5)	8 (0.3)	29 (2.1)
0–365 days	279 (23.8)	503 (26.0)	50 (0.9)	14 (2.2)	41 (3.0)

THA = total hip arthroplasty. HA = hemiarthroplasty.

Table 3. Postoperative mortality risk for uncemented THA compared with hybrid and cemented THA, OR, 95% CI, and p-value (adjusted for age, sex, ASA class, and year of surgery)

	Uncemented	Hybrid THA		Cemented THA
	THA (ref.)	OR (95% CI)	p-value	OR (95% CI)	p-value
0–2 days	1	NA		NA
0–10 days	1	3.2 (0.5–20.2)	0.2	1.7 (0.3–8.7)	0.5
0–30 days	1	1.7 (0.6–4.9)	0.4	1.6 (0.7–3.6)	0.3
0–90 days	1	1.7 (0.6–4.9)	0.4	1.6 (0.7–3.6)	0.3
0–180 days	1	1.7 (0.7–3.9)	0.2	2.0 (1.0–3.7)	0.04
0–365 days	1	1.5 (0.8–2.9)	0.2	1.6 (0.9–2.7)	0.08

NA = Not available due to zero deaths during the first two days postoperatively in the uncemented THA group.

Table 4. Postoperative mortality risk for cemented HA compared with uncemented HA, OR, 95% CI, and p-value (adjusted for age, sex, ASA class, and year of surgery)

	Uncemented	Cemented THA
	THA (ref.)	OR (95% CI)	p-value
0–2 days	1	1.4 (0.8–2.3)	0.3
0–10 days	1	1.0 (0.7–1.4)	1.0
0–30 days	1	1.0 (0.8–1.3)	1.0
0–90 days	1	1.1 (0.9–1.3)	0.5
0–180 days	1	1.0 (0.8–1.2)	0.9
0–365 days	1	1.1 (0.9–1.3)	0.4