Table 2.
Distribution of mortality by classification of patients based on different methods
| Classification | Total | Mortality | |
|---|---|---|---|
| No | Yes | ||
| GOLD, n (%) | |||
| A | 230 (42.4) | 190 (82.6) | 40 (17.4) |
| B | 85 (15.6) | 61 (71.8) | 24 (28.2) |
| C | 103 (19.0) | 67 (65.1) | 36 (34.9) |
| D | 125 (23.0) | 58 (46.4) | 67 (53.6) |
| AUC | 0.678 | ||
| GOLD2017, n (%) | |||
| A | 298 (54.8) | 237 (79.5) | 61 (20.5) |
| B | 154 (28.4) | 97 (63.0) | 57 (37.0) |
| C | 35 (6.5) | 20 (57.1) | 15 (42.9) |
| D | 56 (10.3) | 22 (39.3) | 34 (60.7) |
| AUC | 0.654 | ||
| Cluster, n (%) | |||
| A | 164 (30.2) | 150 (91.5) | 14 (8.5) |
| B | 195 (35.9) | 137 (70.3) | 58 (29.7) |
| C | 89 (16.4) | 44 (49.4) | 45 (50.6) |
| D | 95 (17.5) | 45 (47.4) | 50 (52.6) |
| AUC | 0.722 | ||
| BODE,a n (%) | |||
| 0–2 | 260 (47.9) | 213 (81.9) | 47 (18.1) |
| 3–4 | 193 (35.55) | 130 (67.4) | 63 (32.6) |
| 5–6 | 71 (13.1) | 31 (43.7) | 40 (56.3) |
| 7–10 | 19 (3.5) | 2 (10.5) | 17 (89.5) |
| AUC | 0.689 | ||
Note:
a
BODE score was categorized as proposed by Celli et al (2004).3
Abbreviations: AUC, area under the curve; BODE, body mass index, obstruction, dyspnea and exercise.