Table 5.
Cumulative mortality as on 31 December 2014 in the different groups of patients
| Principal diagnosis on last discharge with mortality | All subjects (n=9,776) | GOLD 1 (n=85) | GOLD 2 (n=488) | GOLD 3 (n=808) | GOLD 4 (n=537) | No lung function coding (n=7,858) |
|---|---|---|---|---|---|---|
| Pneumonia | 1,250 (32.3%) | 8 (34.8%) | 45 (28.1%) | 76 (27.0%) | 47 (19.3%) | 1,074 (34.0%) |
| COPD | 1,164 (30.1%) | 3 (13%) | 40 (25.0%) | 92 (32.7%) | 111 (45.7%) | 918 (29.1%) |
| Lung cancer | 243 (6.3%) | 3 (13%) | 18 (11.3%) | 24 (8.5%) | 8 (3.3%) | 190 (6.0%) |
| Other malignancies | 156 (4.0%) | 0 (0%) | 7 (4.4%) | 6 (2.1%) | 9 (3.7%) | 134 (4.2%) |
| Respiratory failure | 151 (3.9%) | 0 (0%) | 1 (0.6%) | 20 (7.1%) | 16 (6.6%) | 115 (3.6%) |
| Ischemic heart disease | 104 (2.7%) | 0 (0%) | 4 (2.5%) | 8 (2.8%) | 4 (1.6%) | 88 (2.8%) |
| Sepsis and other systemic infections | 102 (2.6%) | 1 (4.3%) | 8 (5.0%) | 6 (2.1%) | 4 (1.6%) | 83 (2.6%) |
| Heart failure | 71 (1.8%) | 1 (4.3%) | 5 (3.1%) | 6 (2.1%) | 4 (1.6%) | 55 (1.7%) |
| Renal failure | 40 (1.0%) | 0 (0%) | 1 (0.6%) | 3 (1.1%) | 2 (0.8%) | 34 (1.1%) |
| Cerebrovascular accident | 37 (1.0%) | 0 (0%) | 0 (0%) | 4 (1.4%) | 2 (0.8%) | 31 (1.0%) |
| Others | 549 (14.3%) | 7 (30.4%) | 31 (19.4%) | 36 (12.1%) | 36 (15.0%) | 439 (13.9%) |
| All-cause mortality in HA hospital (%) | 3,867/9,776 (39.6%) | 23/85 (27.1%) | 160/488 (32.8%) | 281/808 (34.8%) | 243/537 (45.3%) | 3,160/7,858 (40.2%) |
| Death outside HA hospital (%) | 560/9,776 (5.7%) | 4/85 (4.7%) | 23/488 (4.7%) | 40/808 (5.0%) | 34/537 (6.3%) | 459/7,858 (5.8%) |
| Total mortality – in and outside HA hospital (%)# | 4,427/9,776 (45.3%) | 27/85 (31.8%) | 183/488 (37.5%) | 321/808 (39.7%) | 277/537 (51.6%) | 3,619/7,858 (46.1%) |
| Age at death, years; mean (SD), M, F*, [actual number of M & F patients with death] | M – 80.5 (8.4) [3,637]; F – 86.4 (7.7) [790] | M – 83.3 (9.9) [24]; F – 89.0 (7.3) [3] | M – 80.9 (7.1) [157]; F – 84.4 (6.7) [26] | M – 78.5 (7.5) [299]; F – 83.6 (5.1) [22] | M – 75.4 (7.9) [243]; F – 81.0 (8.4) [34] | M – 81.1 (8.4) [2,914]; F – 86.8 (7.6) [705] |
Notes:
#
GOLD 1–2 vs GOLD 3–4, p=0.002; GOLD 1 vs GOLD 4, p=0.002; GOLD 2 vs GOLD 4, p<0.0001; GOLD 3 vs GOLD 4, p<0.0001. GOLD 1–4 vs no lung function, 42.1% vs 46.1%, p=0.002.
*
M: GOLD 1 vs GOLD 4, p=0.005; GOLD 2 vs GOLD 3, p=0.005; GOLD 2 vs GOLD 4, p<0.0001; GOLD 3 vs GOLD 4, p<0.0001; GOLD 1–2 vs GOLD 3–4, p<0.0001; GOLD 1–4 vs no lung function coding, p<0.0001; F: GOLD 1–4, p=NS; GOLD 1–4 vs no lung function coding, p<0.0001. Bold figures indicate statistically significant (p<0.05).
Abbreviations: GOLD, Global Initiative for Chronic Obstructive Lung Disease; HA, Hospital Authority; NS, not significant.