Table 1.
Characteristics and distributions of RSV‐RTI episodes based on the RSV‐LRTI severity definition in children aged 2 to 59 mo
| Characteristics | (1) | (2) | (3) | (4) | (2) + (3) + (4) | (3) + (4) | (1) + (2) + (3) + (4) |
|---|---|---|---|---|---|---|---|
| RSV‐RTI (n = 111) | RSV‐LRTI (n = 183) | Severe RSV‐LRTI (n = 72) | Very severe RSV‐RLTI (n = 29) | Total RSV‐LRTI (n = 284) | Total severe RSV‐LRTI (n = 101) | Total (n = 395) | |
| Age in months, median [IQR] | 25 [11, 42] | 19 [11, 30] | 16 [10, 23] | 12 [6, 17] | 18 [10, 27] | 15 [9, 22] | 19 [10, 31] |
| Age in months, n (%) | |||||||
| 2‐5 | 14 (13) | 30 (16) | 10 (14) | 6 (21) | 46 (16) | 16 (16) | 60 (15) |
| 6‐11 | 19 (17) | 17 (9) | 11 (15) | 8 (28) | 36 (13) | 19 (19) | 55 (14) |
| 12‐23 | 21 (19) | 70 (38) | 36 (50) | 12 (41) | 118 (42) | 48 (48) | 139 (35) |
| 24‐35 | 21 (19) | 32 (17) | 4 (6) | 3 (10) | 39 (14) | 7 (7) | 60 (15) |
| 36‐59 | 36 (32) | 34 (19) | 11 (15) | 0 (0) | 45 (16) | 11 (11) | 81 (20) |
| Sex, n (%) | |||||||
| Male | 51 (46) | 90 (49) | 41 (57) | 20 (69) | 151 (53) | 61 (60) | 202 (51) |
| Female | 60 (54) | 93 (51) | 31 (43) | 9 (31) | 133 (47) | 40 (40) | 193 (49) |
| Place of living (municipality), n (%) | |||||||
| Caibiran | 67 (60) | 132 (72) | 48 (67) | 16 (55) | 196 (69) | 64 (63) | 263 (66) |
| Kawayan | 44 (40) | 51 (28) | 24 (33) | 13 (45) | 88 (31) | 37 (37) | 134 (34) |
| Health facility, n (%) | |||||||
| Outpatient | 110 (99) | 183 (100) | 55 (76) | 19 (66) | 257 (90) | 74 (73) | 367 (93) |
| Hospitalisation | 1 (1) | 0 (0) | 17 (24) | 10 (34) | 27 (10) | 27 (27) | 28 (7) |
| IMCI classification, n (%) | |||||||
| Cough and cold | 109 (98) | 7 (4) | 4 (6) | 3 (10) | 14 (5) | 7 (7) | 123 (31) |
| Pneumonia | 0 (0) | 173 (94) | 15 (21) | 9 (31) | 197 (69) | 24 (24) | 197 (69) |
| Severe pneumonia or severe disease | 2 (2) | 3 (2) | 53 (74) | 17 (59) | 73 (26) | 70 (69) | 75 (26) |
| Revised IMCI classification, n (%) | |||||||
| Cough and cold | 109 (98) | 7 (4) | 4 (6) | 3 (10) | 14 (5) | 7 (7) | 123 (31) |
| Pneumonia | 0 (0) | 173 (94) | 68 (94) | 15 (52) | 256 (90) | 83 (82) | 256 (65) |
| Severe pneumonia or severe disease | 2 (2) | 3 (2) | 0 (0) | 11 (38) | 14 (5) | 11 (11) | 16 (4) |
| RSV subgroup | |||||||
| RSV‐A | 38 (34) | 42 (23) | 27 (38) | 8 (28) | 77 (27) | 35 (35) | 115 (29) |
| RSV‐B | 70 (63) | 131 (72) | 43 (60) | 17 (59) | 191 (67) | 60 (59) | 261 (66) |
| Undefined | 3 (3) | 10 (5) | 2 (3) | 4 (14) | 16 (6) | 6 (6) | 19 (5) |
| Co‐detected other viruses, n (%) | |||||||
| Human adenovirus | 1 (1) | 0 (0) | 2 (3) | 0 (0) | 2 (1) | 2 (2) | 3 (1) |
| Rhinovirus | 6 (5) | 13 (7) | 8 (11) | 3 (10) | 24 (8) | 11 (11) | 30 (7) |
| Enterovirus | 0 (0) | 1 (1) | 0 (0) | 0 (0) | 1 (0) | 0 (0) | 1 (0) |
| Human metapneumovirus | 0 (0) | 2 (1) | 0 (0) | 1 (3) | 3 (1) | 1 (1) | 3 (1) |
| Parainfluenza virus | 2 (2) | 2 (1) | 0 (0) | 0 (0) | 2 (1) | 0 (0) | 4 (1) |
| Influenza virus | 2 (2) | 3 (2) | 0 (0) | 0 (0) | 3 (1) | 0 (0) | 5 (1) |
IMCI, integrated management of childhood illness; IQR, interquartile range; LRTI, lower respiratory tract illness; RSV, respiratory syncytial virus; RTI, respiratory tract illness.
Percentages are rounded off to integers. Total RSV‐LRTI consists of RSV‐LRTI, severe RSV‐LRTI and very severe RSV‐LRTI.