Trends in intensive care unit admissions of COPD patients from 2003 to 2013 in Taiwan

Figures & data

Table 1 Characteristics of COPD patients in the ICU from 2003 to 2013

Characteristics	COPD patients (N=99,924)
Age, mean (SD)	77.67 (10.03)
40–49 years	1,509 (1.51)
50–59 years	4,393 (4.40)
60–69 years	11,863 (11.87)
≥70 years	82,159 (82.22)
Gender, n (%)
Female	21,688 (21.70)
Male	78,236 (78.30)
Comorbidity, n (%)
Diabetes	21,600 (21.62)
Hypertension	39,237 (39.27)
Coronary artery disease	23,506 (23.52)
Stroke	18,179 (18.19)
Dyslipidemia	3,114 (3.12)
Cancer	11,699 (11.71)
ESRD	3,467 (3.47)

Abbreviations: ESRD, end-stage renal disease; ICU, intensive care unit.

Table 2 Trends of baseline characteristics among COPD patients in the ICU

Characteristics	Years											P-value
	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013
No of patients, n (%)	12,384 (8.53)	14,334 (8.97)	15,224 (9.12)	14,706 (8.54)	14,862 (8.41)	14,450 (7.98)	14,391 (7.70)	15,099 (7.84)	15,062 (7.72)	14,848 (7.57)	13,308 (6.93)	<0.0001
Age mean (SD)	76.66 (9.48)	76.93 (9.53)	77.28 (9.72)	77.55 (9.65)	78.12 (9.57)	78.23 (9.81)	78.19 (10.21)	78.47 (10.14)	78.50 (10.35)	78.67 (10.45)	78.32 (10.59)
40–49 years	176 (1.42)	288 (1.45)	220 (1.45)	188 (1.28)	177 (1.19)	183 (1.27)	209 (1.45)	210 (1.39)	209 (1.39)	199 (1.34)	176 (1.32)	0.5104
50–59 years	498 (4.02)	551 (3.84)	633 (4.16)	631 (4.29)	588 (3.96)	619 (4.28)	700 (4.86)	685 (4.54)	688 (4.57)	694 (4.67)	675 (5.07)	0.0005
60–69 years	1,627 (13.14)	1,835 (12.80)	1,883 (12.37)	1,733 (11.78)	1,572 (10.58)	1,543 (10.68)	1,609 (11.18)	1,612 (10.68)	1,711 (11.36)	1,674 (11.27)	1,645 (12.36)	0.1242
≥70 years	10,083 (81.42)	11,740 (81.90)	12,488 (82.03)	12,154 (82.65)	12,525 (84.28)	12,105 (83.77)	11,873 (82.50)	12,592 (83.40)	12,454 (82.68)	12,281 (82.71)	10,812 (81.24)	0.7076
Gender, n (%)
Male	9,487 (76.61)	10,965 (76.50)	11,558 (75.92)	11,321 (76.98)	11,440 (76.97)	11,213 (77.60)	11,130 (77.34)	11,654 (77.18)	11,742 (77.96)	11,599 (78.12)	18,451 (78.53)	0.0002
Comorbidity, n (%)
Diabetes	2,624 (21.19)	3,340 (23.30)	3,656 (24.01)	3,629 (24.68)	3,723 (25.05)	3,688 (25.52)	3,627 (25.20)	3,965 (26.26)	3,962 (26.30)	3,969 (26.73)	3,508 (26.36)	<0.0001
Hypertension	3,934 (31.77)	5,754 (40.14)	6,338 (41.63)	6,241 (42.44)	6,477 (43.58)	6,286 (43.50)	6,408 (44.53)	6,740 (44.64)	6,724 (44.64)	6,606 (44.49)	6,036 (45.36)	0.0047
Coronary artery disease	3,037 (24.52)	3,966 (27.67)	4,197 (27.57)	4,002 (27.21)	3,877 (26.09)	3,765 (26.06)	3,501 (24.33)	3,671 (24.31)	3,435 (22.81)	3,301 (22.23)	2,984 (22.42)	0.0029
Stroke	2,214 (17.88)	3,249 (22.67)	3,621 (23.78)	3,691 (25.10)	3,666 (24.67)	3,336 (23.09)	3,304 (22.96)	3,265 (21.62)	3,134 (20.81)	3,091 (20.82)	2,556 (19.21)	0.4644
Dyslipidemia	276 (2.23)	426 (2.97)	487 (3.20)	424 (2.88)	467 (3.14)	443 (3.07)	462 (3.21)	478 (3.17)	517 (3.43)	513 (3.46)	459 (3.45)	0.0023
Cancer	1,135 (9.17)	1,467 (10.23)	1,627 (10.69)	1,613 (10.97)	1,669 (11.23)	1,563 (10.82)	1,612 (11.20)	1,715 (11.36)	1,654 (10.98)	1,689 (11.38)	1,534 (11.53)	0.0027
ESRD	632 (5.10)	749 (5.23)	703 (4.62)	665 (4.52)	624 (4.20)	546 (3.78)	487 (3.38)	541 (3.58)	493 (3.27)	540 (3.64)	463 (3.48)	<0.0001
Length of ICU stay (days), mean (SD)	21.58 (29.08)	25.28 (32.73)	25.50 (34.08)	26.12 (34.34)	27.30 (37.20)	27.09 (37.01)	26.25 (37.47)	27.14 (39.66)	25.68 (37.27)	25.62 (37.48)	23.14 (32.00)	<0.0001
In-hospital mortality, n (%)	1,854 (14.97)	2,122 (14.80)	2,328 (15.29)	2,449 (16.65)	4,425 (29.77)	4,416 (30.56)	4,320 (30.02)	4,705 (31.16)	4,638 (30.79)	4,477 (30.15)	4,123 (30.98)	0.0007

Abbreviations: ESRD, end-stage renal disease; ICU, intensive care unit.

Table 3 Trends in COPD patients per 10,000 ICU patients

Characteristics	Years											P-value
	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013
COPD patients, n (%)	12,384 (8.53)	14,334 (8.97)	15,224 (9.12)	14,706 (8.54)	14,862 (8.41)	14,450 (7.98)	14,391 (7.70)	15,099 (7.84)	15,062 (7.72)	14,848 (7.57)	13,308 (6.93)	<0.0001
Age
40–49 years	105.1	112.0	115.4	95.4	90.5	93.1	104.3	105.8	103.8	100.2	91.8	0.1989
50–59 years	238.7	235.2	245.1	225.9	203.3	206.1	219.8	211.4	210.9	210.8	206.4	0.0054
60–69 years	544.7	576.3	588.3	542.0	493.8	474.7	481.5	468.1	481.5	454.7	442.7	0.0002
≥70 years	1,296.6	1,365.8	1,386.5	1,313.9	1,299.9	1,225.1	1,168.4	1,188.6	1,166.3	1,153.0	1,049.3	<0.0001
Gender
Male	1,075.1	1,120.9	1,132.7	1,071.7	1,061.2	1,012.8	974.3	994.8	983.6	968.6	888.2	<0.0001
Female	508.3	543.6	564.6	509.3	496.9	460.5	448.6	456.4	438.6	425.5	384.0	<0.0001

Abbreviation: ICU, intensive care unit.

Figure 1 Trends in COPD patients per 10,000 ICU patients by age.

Abbreviation: ICU, intensive care unit.

Figure 2 Trends in COPD patients per 10,000 ICU patients by gender.

Abbreviation: ICU, intensive care unit.