Table 1 Demographic parameters and comorbidities of patients according to age
Parameters | Below 65 Years (n = 353) (n,%) | Above 65 Years (n = 756) (n,%) | Total (n = 1109) (n,%) | p-value | |
|---|---|---|---|---|---|
Age(years, SD) | 56.56 (± 6.64) | 75.61 (± 6.99) | 69.61 (± 11.21) | ||
Hospitalization Duration(Days, ±SD) | 7.84 (± 4.60) | 8.64 (± 5.53) | 8.38 (± 5.26) | 0.001 | |
Gender | Male | 255 (72.24) | 437 (57.8) | 692 (62.4) | 0.001 |
Female | 98 (27.76) | 319 (42.2) | 417 (37.6) | ||
Respiratory Failure Type | Type 1 | 73 (20.74) | 174 (23.11) | 247 (22.4) | 0.378 |
Type 2 | 279 (79.26) | 579 (76.89) | 858 (77.6) | ||
Chronic Obstructive Pulmonary Disease | Not Present | 119 (33.71) | 252 (33.33) | 371 (33.5) | 0.901 |
Present | 234 (66.29) | 504 (66.67) | 738 (66.5) | ||
Pneumonia | Not Present | 310 (87.82) | 599 (79.23) | 909 (82) | 0.001 |
Present | 43 (12.18) | 157 (20.77) | 200 (18) | ||
Diabetes Mellitus | Not Present | 337 (95.47) | 709 (93.78) | 1046 (94.3) | 0.259 |
Present | 16 (4.53) | 47 (6.22) | 63 (5.7) | ||
Interstitial Lung Disease | Not Present | 339 (96.03) | 717 (94.84) | 1056 (95.2) | 0.386 |
Present | 14 (3.97) | 39 (5.16) | 53 (4.8) | ||
Lung Malignancy | Not Present | 329 (93.2) | 728 (96.3) | 1057 (95.3) | 0.023 |
Present | 24 (6.8) | 28 (3.7) | 52 (4.7) | ||
Pulmonary Thromboembolism | Not Present | 339 (96.03) | 725 (95.9) | 1064 (95.9) | 0.916 |
Present | 14 (3.97) | 31 (4.1) | 45 (4.1) | ||
Congestive Heart Failure | Not Present | 347 (98.3) | 722 (95.5) | 1069 (96.4) | 0.020 |
Present | 6 (1.7) | 34 (4.5) | 40 (3.6) | ||
Atrial Fibrillation | Not Present | 343 (97.17) | 735 (97.22) | 1078 (97.2) | 0.959 |
Present | 10 (2.83) | 21 (2.78) | 31 (2.8) | ||
Bronchiectasis | Not Present | 343 (97.17) | 747 (98.81) | 1090 (98.3) | 0.05 |
Present | 10 (2.83) | 9 (1.19) | 19 (1.7) | ||
Acute Renal Failure* | Not Present | 349 (98.87) | 732 (96.83) | 1081 (97.5) | N/A |
Present | 4 (1.13) | 24 (3.17) | 28 (2.5) | ||
Chronic Renal Disease | Not Present | 350 (99.15) | 751 (99.34) | 1101 (99.3) | N/A |
Present | 3 (0.85) | 5 (0.66) | 8 (0.7) | ||
Obstructive Sleep Apnea | Not Present | 349 (98.87) | 751 (99.34) | 1100 (99.2) | N/A |
Present | 4 (1.13) | 5 (0.66) | 9 (0.8) | ||
Kyphoscoliosis | Not Present | 346 (98.02) | 755 (99.87) | 1101 (99.3) | N/A |
Present | 7 (1.98) | 1 (0.13) | 8 (0.7) | ||
Coronary Arterial Disease | Not Present | 352 (99.72) | 751 (99.34) | 1103 (99.5) | N/A |
Present | 1 (0.28) | 5 (0.66) | 6 (0.5) | ||