Annual hospital volume groups | |||||
---|---|---|---|---|---|
≤11 | 12-23 | 24-43 | ≥44 | ||
p-values | |||||
No of procedures | 3528 | 3759 | 3533 | 3676 | |
Men % | 42 | 43 | 44 | 44 | 0.17 |
Agemedian (range) | 62 (28-94) | 63 (34-93) | 65 (33-94) | 65 (33-95) | |
Age group n (%) | |||||
<55 | 731 (21) | 652 (17) | 501 (14) | 540 (15) | <0.001 |
55-64 | 1471 (42) | 1469 (39) | 1199 (34) | 1339 (36) | |
65-74 | 946 (27) | 1169 (31) | 1251 (35) | 1240 (34) | |
≥75 | 380 (11) | 469 (13) | 582 (17) | 566 (15) | |
Year of surgery | |||||
2000-03 | 962 (27) | 826 (22) | 399 (11) | 475 (13) | <0.001 |
2004-06 | 928 (26) | 1061 (28) | 562 (16) | 1113 (30) | |
2007-09 | 925 (26) | 1281 (32) | 1349 (38) | 900 (25) | |
2010-12 | 713 (20) | 654 (18) | 1223 (35) | 1188 (32) | |
Nation n (%) | |||||
Denmark (4211) | 558 (16) | 615 (16) | 1118 (32) | 1920 (52) | <0.001 |
Norway (4157) | 1273 (36) | 1551 (41) | 1147 (33) | 186 (5) | |
Sweden (2218) | 460 (13) | 561 (15) | 508 (14) | 689 (19) | |
Finland (3920) | 1237 (35) | 1032 (28) | 760 (21) | 881 (24) |