Table 2

Characteristics of hospital admissions for pneumonia as primary diagnosis in patients without type 2 diabetes in Spain, 2004–2013

2004200520062007200820092010201120122013Total
N56 99166 99658 23366 50467 12374 33867 64372 76274 81672 015677 421
Incidence* (per 100 000 inhabitants)316.24355.18295.55337.53333.66362.07329.46348.43358.27341.98338.21
Women, n (%)*20 375 (35.75)24 955 (37.25)21 500 (36.92)25 263 (37.99)26 195 (39.03)29 742 (40.01)26 715 (39.49)29 407 (40.42)30 912 (41.32)29 455 (40.9)264 519 (39.05)
Age, mean (SD)73.96 (13.25)74.26 (13.36)74.24 (13.64)74.33 (13.78)74.79 (13.78)73.77 (14.61)75.67 (13.72)75.65 (13.86)77.02 (13.28)76.36 (13.73)75.06 (13.76)
40–64 years, n (%)†12 471 (21.88)14 327 (21.38)13 036 (22.39)15 012 (22.57)14 768 (22)18 992 (25.55)13 930 (20.59)15 392 (21.15)13 497 (18.04)14 306 (19.87)145 731 (21.51)
65–74 years, n (%)†12 578 (22.07)14 150 (21.12)11 555 (19.84)12 535 (18.85)12 153 (18.11)12 409 (16.69)11 068 (16.36)11 581 (15.92)11 321 (15.13)10 965 (15.23)120 315 (17.76)
75–84 years, n (%)†19 395 (34.03)23 171 (34.59)19 755 (33.92)22 482 (33.81)22 213 (33.09)23 189 (31.19)22 555 (33.34)23 706 (32.58)24 640 (32.93)23 151 (32.15)224 257 (33.1)
≥85 years, n (%)*12 547 (22.02)15 348 (22.91)13 887 (23.85)16 475 (24.77)17 989 (26.8)19 748 (26.57)20 090 (29.7)22 083 (30.35)25 358 (33.89)23 593 (32.76)187 118 (27.62)
AMI, n (%)*1932 (3.39)2309 (3.45)1917 (3.29)2279 (3.43)2123 (3.16)2207 (2.97)1884 (2.79)1955 (2.69)1952 (2.61)1802 (2.5)20 360 (3.01)
CHF, n (%)*6649 (11.67)7929 (11.84)6761 (11.61)8228 (12.37)8673 (12.92)9310 (12.52)9516 (14.07)10 896 (14.97)12 004 (16.04)11 680 (16.22)91 646 (13.53)
PVD, n (%)*1857 (3.26)2345 (3.5)2121 (3.64)2239 (3.37)2237 (3.33)2445 (3.29)2496 (3.69)2753 (3.78)2923 (3.91)3074 (4.27)24 490 (3.62)
CEVD/HP/PAPL, n (%)*3993 (7.01)4543 (6.78)4020 (6.9)4505 (6.77)4969 (7.4)5487 (7.38)5561 (8.22)6088 (8.37)6508 (8.7)6322 (8.78)51 996 (7.68)
Chronic pulmonary disease, n (%)†20 012 (35.11)23 065 (34.43)19 416 (33.34)21 961 (33.02)21 810 (32.49)24 120 (32.45)22 753 (33.64)24 112 (33.14)24 376 (32.58)23 789 (33.03)225 414 (33.28)
Dementia, n (%)*5402 (9.48)6295 (9.4)5833 (10.02)6224 (9.36)6904 (10.29)7599 (10.22)7793 (11.52)8536 (11.73)9300 (12.43)8742 (12.14)72 628 (10.72)
Renal disease, n (%)*4363 (7.66)5327 (7.95)4609 (7.91)5760 (8.66)6328 (9.43)7189 (9.67)7312 (10.81)8278 (11.38)9609 (12.84)9572 (13.29)68 347 (10.09)
Any type of malignancy, n (%)*5696 (9.99)6420 (9.58)6006 (10.31)6671 (10.03)6929 (10.32)7642 (10.28)7504 (11.09)8234 (11.32)8289 (11.08)8407 (11.67)71 798 (10.6)
Any liver disease, n (%)2825 (4.96)3362 (5.02)2942 (5.05)3436 (5.17)3409 (5.08)3852 (5.18)3457 (5.11)3689 (5.07)3733 (4.99)3754 (5.21)34 459 (5.09)
Obesity, n (%)*1940 (3.4)2352 (3.51)2044 (3.51)2304 (3.46)2489 (3.71)3188 (4.29)2839 (4.2)3367 (4.63)3393 (4.54)3529 (4.9)27 445 (4.05)
Pleuritis, n (%)*3992 (7)4898 (7.31)4240 (7.28)4936 (7.42)4760 (7.09)4892 (6.58)4782 (7.07)4954 (6.81)5054 (6.76)5101 (7.08)47 609 (7.03)
CCI 0, n (%)†18 620 (32.67)22 311 (33.3)19 452 (33.4)22 643 (34.05)21 991 (32.76)24 786 (33.34)20 436 (30.21)21 691 (29.81)21 653 (28.94)20 550 (28.54)214 133 (31.61)
CCI 1, n (%)*28 219 (49.51)32 726 (48.85)28 327 (48.64)31 765 (47.76)32 752 (48.79)35 890 (48.28)33 399 (49.38)36 155 (49.69)37 205 (49.73)35 850 (49.78)332 288 (49.05)
CCI≥2, n (%)*10 152 (17.81)11 959 (17.85)10 454 (17.95)12 096 (18.19)12 380 (18.44)13 662 (18.38)13 808 (20.41)14 916 (20.5)15 958 (21.33)15 615 (21.68)131 000 (19.34)
CAT, n (%)*5936 (10.42)6931 (10.35)6565 (11.27)8042 (12.09)8487 (12.64)9356 (12.59)9191 (13.59)9690 (13.32)9627 (12.87)10 028 (13.92)83 853 (12.38)
Bronchial fibroscopy, n (%)†2165 (3.8)2256 (3.37)2068 (3.55)2245 (3.38)2220 (3.31)2258 (3.04)2135 (3.16)2207 (3.03)2195 (2.93)2351 (3.26)22 100 (3.26)
Non-invasive MV, n (%)*442 (0.78)584 (0.87)531 (0.91)718 (1.08)945 (1.41)1188 (1.6)1616 (2.39)1934 (2.66)2307 (3.08)2286 (3.17)12 551 (1.85)
Invasive MV, n (%)†1426 (2.5)1700 (2.54)1140 (1.96)1338 (2.01)1405 (2.09)1520 (2.04)1279 (1.89)1516 (2.08)1336 (1.79)1287 (1.79)13 947 (2.06)
Thoracocentesis, n (%)*1271 (2.23)1476 (2.2)1308 (2.25)1527 (2.3)1549 (2.31)1655 (2.23)1502 (2.22)1508 (2.07)1518 (2.03)1636 (2.27)14 950 (2.21)
Red cell transfusion, n (%)*1830 (3.21)2125 (3.17)2034 (3.49)2189 (3.29)2498 (3.72)2642 (3.55)2709 (4)2830 (3.89)3073 (4.11)3009 (4.18)24 939 (3.68)
Readmission, n (%)*6633 (11.64)7830 (11.69)7063 (12.13)7889 (11.86)8121 (12.1)8947 (12.04)8794 (13)9515 (13.08)10 427 (13.94)9716 (13.49)84 935 (12.54)
LOHS, median (IQR)8 (5–13)8 (5–13)8 (5–12)8 (5–12)8 (5–12)7 (4–12)7 (5–12)7 (4–11)7 (4–11)7 (4–11)7 (5–12)
IHM, n (%)†8036 (14.1)9900 (14.78)8121 (13.95)8758 (13.17)9105 (13.56)9727 (13.08)9087 (13.43)10 209 (14.03)10 777 (14.4)9803 (13.61)93 523 (13.81)
Streptococcus pneumoniae, n (%)†9736 (17.08)11 685 (17.44)10 295 (17.68)12 295 (18.49)11 899 (17.73)12 099 (16.28)10 081 (14.9)7147 (9.82)5918 (7.91)6101 (8.47)97 256 (14.36)
Legionella, n (%)†667 (1.17)808 (1.21)727 (1.25)667 (1)678 (1.01)729 (0.98)668 (0.99)544 (0.75)546 (0.73)449 (0.62)6483 (0.96)
Staphylococcus aureus, n (%)*253 (0.44)350 (0.52)286 (0.49)366 (0.55)368 (0.55)378 (0.51)400 (0.59)438 (0.6)503 (0.67)470 (0.65)3812 (0.56)
Haemophilus influenzae, n (%)267 (0.47)272 (0.41)257 (0.44)264 (0.4)263 (0.39)293 (0.39)295 (0.44)289 (0.4)300 (0.4)333 (0.46)2833 (0.42)
Pseudomonas aeruginosa, n (%)509 (0.89)597 (0.89)514 (0.88)574 (0.86)617 (0.92)622 (0.84)632 (0.93)632 (0.87)638 (0.85)685 (0.95)6020 (0.89)
  • Incidence was adjusted by age and sex.

  • *p<0.05 to assess increased time trend from 2004 to 2013.

  • †p<0.05 to assess decreased time trend from 2004 to 2013.

  • AMI, acute myocardial infarction; CAT, computerised axial tomography of thorax; CCI, Charlson Comorbidity Index; CEVD/HP/PAPL, cerebrovascular disease/hemiplegia/paraplegia; CHF, congestive heart failure; IHM, in-hospital mortality; LOHS, length of hospital stay; MV, mechanical ventilation; PVD, peripheral vascular disease.