Table 1 Characteristics of young infants undergoing routine pulse oximetry at initial study visits and revisits at primary care clinics in Karachi, Pakistan, stratified by study site
Characteristic | Total | Initial visits | Revisits | |||||
|---|---|---|---|---|---|---|---|---|
Initial visits | Revisits | Site 1 | Site 2 | p | Site 1 | Site 2 | p | |
Number of visits (n) | 529 | 333 | 299 | 230 | 182 | 151 | ||
Sex | ||||||||
Male | 267 (50.5 %) | 186 (55.9 %) | 153 (51.2 %) | 114 (49.6 %) | p=0.71 | 103 (56.6 %) | 83 (55.0 %) | p=0.77 |
Female | 262 (49.5 %) | 147 (44.1 %) | 146 (48.8 %) | 116 (50.4 %) | 79 (43.4 %) | 68 (45.0 %) | ||
Age | ||||||||
0-6 days | 177 (33.5 %) | 32 (9.6 %) | 123 (41.1 %) | 54 (23.5 %) | p<0.001 | 18 (9.9 %) | 14 (9.3 %) | p=0.12 |
7-29 days | 176 (33.3 %) | 160 (48.0 %) | 95 (31.8 %) | 81 (35.2 %) | 96 (52.8 %) | 64 (42.3 %) | ||
30-59 days | 176 (33.3 %) | 141 (42.3 %) | 81 (27.1 %) | 95 (41.3 %) | 68 (37.4 %) | 73 (48.3 %) | ||
Visit reasona | ||||||||
Well baby visitb | 97 (18.3 %) | 26 (7.8 %) | 77 (25.8 %) | 20 (8.7 %) | p<0.001 | 22 (12.1 %) | 4 (2.7 %) | p<0.001 |
Referred for new illness | 424 (80.2 %) | 209 (62.8 %) | 222 (74.3 %) | 202 (87.8 %) | 154 (84.6 %) | 55 (36.4 %) | ||
Follow-up visit for illness | 8 (1.5 %) | 72 (21.6 %) | 0 (0 %) | 8 (3.5 %) | 6 (3.3 %) | 91 (60.3 %) | ||
Parent/guardian’s perception of infant’s illness severityc | ||||||||
Healthy | 101 (19.1 %) | 26 (7.8 %) | 79 (26.4 %) | 22 (9.6 %) | p<0.001 | 22 (12.1 %) | 4 (2.7 %) | p<0.001 |
Minor illness | 406 (76.8 %) | 288 (86.5 %) | 203 (67.9 %) | 203 (88.3 %) | 145 (79.7 %) | 143 (94.7 %) | ||
Very sick | 6 (1.1 %) | 8 (2.4 %) | 5 (1.7 %) | 1 (0.4 %) | 7 (3.9 %) | 1 (0.7 %) | ||
Life-threatening | 2 (0.4 %) | 0 (0 %) | 2 (0.7 %) | 0 (0 %) | 0 (0 %) | 0 (0 %) | ||
Physician recommended referral to hospital? | ||||||||
Yes | 62 (11.7 %) | 48 (14.4 %) | 22 (7.4 %) | 40 (17.4 %) | p=0.001 | 19 (10.4 %) | 29 (19.2 %) | p=0.03 |
No | 467 (88.3 %) | 285 (85.6 %) | 277 (92.6 %) | 190 (82.6 %) | 163 (89.6 %) | 122 (80.8 %) | ||