TABLE 3.
Etiology of nursing home-acquired pneumonia
| Etiology (% of total) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Reference | N | S pneum | C pneum | H influen | S aureus | M catarr | K pneum | Other AGNRs | Aspiration | Unknown |
| 24 | 35 | 9 (26) | 2 (6) | 9 (26) | 14 (40) | 0 | ||||
| 10 | 131 | 9 (6.8) | 1 (0.8) | 7 (5.3) | 7 (5.3) | 19 (14.5) | 77 (59) | |||
| 25 | 104 | 31 (29.8) | 20 (19) | 11 (10.5) | 4 (3.8) | 24 (23) | 14 (13) | |||
| 26 | 56 | 5 (8.9) | 4 (7.1) | 1 (1.8) | 3 (5.5) | 43 (77) | ||||
| 27 | 115 | 7 (6) | 3 (2.5) | 2 (1.7) | 7 (16) | 20 (16) | 83 (72.8) | |||
| 28* | 30 | 2 (6.6) | 23 (76.7) | |||||||
| Total | 471 | 61 (12.9) | 30 (6.4) | 30 (6.4) | 7 (1.5) | 21 (4.4) | 51 (10.8) | 240 (51) | ||
| 95% CI | 1.2 to 29.7 | -1.9 to 15 | -3.5 to 21 | 13.6 to 85 | ||||||
*
Serological study - Clamydia pneuimoniae and respiratory syncytial virus- 1 and parainfluenza virus 3-1, and influenza virus type A-1, and one each of parainfluenza virus type 3 and influenza virus type A.
AGNRs Aerobic Gram-negative rods; H influen Haemophilus influenzae; K pneum Klebsiella pneumoniae; M catarr Moraxella catarrhalis; S aureus Staphylococcus aureus; S pneum Streptococcus pneumoniae