Increased mortality after anterior shoulder dislocation: 255 patients aged 12–40 years followed for 25 years

Figures & data

Numbers of death among the patients who entered this study in 1978 and 1979 (pink) compared to the expected numbers of death based on the general Swedish population taking account to gender, age and calender year (blue).

Table 1.  Number of expected and documented deceased patients 1–26 years after entering the study

Year(s) after entering the study	Number of deceased	Expected number of deaths	Standardized ratio of mortality	95% confidence limit		P-value
				lower	upper
1	0	0.28	0.00	0.00	0.00
2	0	0.57	0.00	0.00	0.00
3	0	0.85	0.00	0.00	0.00
4	0	1.15	0.00	0.00	0.00
5	2	1.45	1.38	0.17	4.97
6	4	1.77	2.26	0.62	5.78
7	4	2.10	1.90	0.52	4.87
8	6	2.45	2.45	0.90	5.33
9	7	2.82	2.48	1.00	5.11
10	9	3.22	2.80	1.28	5.31	0.03
11	10	3.63	2.76	1.32	5.07	0.02
12	10	4.05	2.47	1.18	4.54	0.02
13	11	4.50	2.45	1.22	4.38	0.01
14	12	4.97	2.41	1.25	4.21	0.007
15	12	5.47	2.20	1.13	3.84	0.007
16	13	6.00	2.17	1.15	3.71	0.005
17	14	6.56	2.14	1.17	3.58	0.003
18	15	7.14	2.10	1.18	3.46	0.002
19	15	7.76	1.93	1.08	3.19	0.002
20	15	8.41	1.78	1.00	2.94	0.002
21	17	9.11	1.87	1.09	2.99	0.001
22	19	9.87	1.93	1.16	3.01	0.001
23	21	10.68	1.97	1.22	3.01	0.001
24	21	11.56	1.82	1.12	2.78	0.001
25	24	11.79	2.07	1.33	3.08	< 0.001
26	27	11.98	2.25	1.48	3.28	< 0.001

Table 2.  Causes of death according to ICD10 classification in our series and for the general population during the years 2003–2004 (Statistics Sweden)

Cause of death	ICD10	n	P-value a
Malignancies	C00–C75	4	0.5
Endocrine	E00–E90	1	0.7
Central nervous system	G00–G99	2	0.1
Cardiovascular	I00–I99	6	0.03
Genitourinary	N00–N99	1	0.3
Injury and poisoning	S00–T98	11	< 0.001 b
Nonspecific		2	< 0.001 b
Other natural causes		0	0.004 c
All causes		27

^a Difference from the general Swedish population:

^bhigher, ^clower

Table 3.  Cause of death according to whether there was an ICD10 diagnosis of S00-T98 (injury or intoxification) or evidence of alcohol addiction at the 25-year follow-up, broken down according to the allocation to treatment groups when this study was initiated

S00-T98 or evidence of alcohol addiction	Deceased patients a		25-year follow-up b		Both series c
	Groups 1 + 2	Group 3	Groups 1 + 2	Group 3	Groups 1 + 2	Group 3
Yes	5	6	6	3	11	9
No	14	2	188	30	202	32

^a p = 0.06; ^b p = 0.3; ^c p < 0.001.