Table 1 Baseline characteristics of lung transplantation recipients according to case-volume
From: Adult lung transplantation case-volume and in-hospital and long-term mortality in Korea
Characteristics | Total | Low volume centersa (< 5 LTs/year) | High volume centersa (≥ 5 LTs/year) | P value |
|---|---|---|---|---|
Number of recipients | 315 | 71 | 244 | |
Number of centers | 7 | 4 | 3 | |
Sex | 0.897 | |||
Male | 184 (58.4) | 41 (57.7) | 143 (58.6) | |
Female | 131 (41.6) | 30 (42.3) | 101 (41.4) | |
Age | 0.769 | |||
19 ≤ age < 50 | 118 (37.5) | 24 (33.8) | 94 (38.5) | 0.769 |
50 ≤ age < 60 | 96 (30.5) | 23 (32.4) | 73 (29.9) | |
60 ≤ age | 101 (32.1) | 24 (33.8) | 77 (31.6) | |
Diagnosis | 0.286 | |||
Interstitial lung disease | 121 (38.4) | 25 (35.2) | 96 (39.3) | |
Idiopathic pulmonary fibrosis | 95 (30.2) | 20 (28.2) | 75 (30.7) | |
Chronic Obstructive Pulmonary Disease | 67 (21.3) | 18 (25.4) | 49 (20.1) | |
Acute Respiratory Distress Syndrome | 8 (2.5) | 4 (5.6) | 4 (1.6) | |
Others | 24 (7.6) | 4 (5.6) | 20 (8.2) | |
Comorbidities | ||||
Hypertension | 123 (39.0) | 29 (39.4) | 95 (38.9) | 0.939 |
Diabetes mellitus | 96 (30.5) | 18 (25.4) | 78 (32.0) | 0.287 |
Coronary artery disease | 45 (14.3) | 16 (22.5) | 29 (11.9) | 0.024 |
Chronic kidney disease | 21 (6.7) | 21 (8.6) | 0.006 | |
Cerebrovascular disease | 16 (5.1) | 2 (2.8) | 14 (5.7) | 0.539 |
Elixhauser comorbidity index | 14.6 ± 9.81 | 16.59 ± 9.62 | 14.02 ± 9.81 | 0.052 |