Single virus ARTI | Statistical analysis | |||||||
---|---|---|---|---|---|---|---|---|
Total | RSV | HRV | FLU | Other | vs | Multivariate $ | P | |
N (%) | N (%) | N (%) | N (%) | N (%) | OR (95%CI) | value | ||
Diagnostics | ||||||||
Chemistry/hematology | ||||||||
CRP ≥ 35 mg/L | 28/81 (35) | 11/32 (34) | 11/29 (38) | 2/9 (22) | 4/11 (36) | … | … | NS |
WBC ≥ 15 x109/L | 27/80 (34) | 11/32 (34) | 11/28 (39) | 2/9 (22) | 3/11 (27) | … | … | NS |
Bacteriology | NS | |||||||
PCR atypical bacteria | 0/10 (0) | 0/2 (0) | 0/4 (0) | 0/1 (0) | 0/3 (0) | … | … | NS |
Culture, sterile site | 2/45 (4) | 0/15 (0) | 1/17 (6) | 0/7 (0) | 1/6 (17) | … | … | NS |
Culture, non-sterile site | 1/19 (5) | 0/7 (0) | 0/8 (0) | 0/1 (0) | 1/3 (33) | … | … | NS |
Pulmonary imaging | ||||||||
LRTI# | 31/63 (37) | 15/24 (63) | 10/25 (40) | 3/6 (33) | 3/8 (38) | … | … | NS |
Treatment | ||||||||
Antibiotics | 50/122 (41) | 24/53 (45) | 17/43 (40) | 3/11 (27) | 6/15 (40) | … | … | NS |
Bronchodilators | 31/113 (27) | 12/48 (25) | 15/39 (38) | 2/11 (18) | 2/15 (13) | HRV vs Other | 7.0 (1.2-42) | .03 |
HRV overall | 3.0 (1.2-7.8) | .02 | ||||||
Steroids | 26/117 (22) | 8/52 (15) | 13/39 (33) | 2/11 (18) | 3/15 (20) | HRV vs RSV | 3.5 (1.2-11) | .03 |
HRV overall | 3.4 (1.2-9.3) | .02 | ||||||
Oxygen therapy | 67/118 (57) | 38/52 (73) | 22/41 (54) | 1/10 (10) | 6/15 (40) | RSV vs FLU | 26 (3.0-225) | < .01 |
RSV vs Other | 4.2 (1.3-14) | .02 | ||||||
HRV vs FLU | 11 (1.2-97) | .03 | ||||||
RSV overall | 3.6 (1.6-8.0) | < .01 | ||||||
FLU overall | .05 (.01-.40) | < .01 | ||||||
Adverse outcome | ||||||||
Hospital admission | 99/123 (80) | 46/53 (87) | 33/44 (75) | 8/11 (73) | 12/15 (80) | … | … | NS |
Severe respiratory complication | 15/123 (12) | 3/53 (6) | 9/44 (20) | 1/11 (9) | 2/15 (13) | HRV vs RSV | 5.0 (1.2-21) | .03 |
HRV overall | 3.5 (1.0-11) | .04 | ||||||
RSV overall | .24 (.06-.92) | .04 | ||||||
Apnea | 5/123 (4) | 1/53 (2) | 4/44 (9) | 0/11 (0) | 0/15 (0) | … | … | NS |
Intubation | 7/123 (6) | 1/53 (2) | 5/44 (11) | 0/11 (0) | 1/15 (7) | … | … | NS |
ALTE | 6/123 (5) | 1/53 (2) | 3/44 (7) | 1/11 (9) | 1/15 (7) | … | … | NS |
Mortality ≤ 7 days | 0/123 (0) | 0/53 (0) | 0/44 (0) | 0/11 (0) | 0/15 (0) | … | … | NS |