Table 1.
Baseline demographic characteristics of the study participants.
Conventional insertion (n = 887) |
Micro-MST (n = 558) |
p-value | ||
---|---|---|---|---|
Sex | ||||
Male | 792 | 479 (54%) | 313 (56%) | 0.437 |
Female | 653 | 408 (46%) | 245 (44%) | |
Age (days) at insertion, mean ± SD | 11 ± 26 | 7 ± 15 | 0.001 | |
Gestational age (GA) at birth (weeks) | ||||
23–27 | 359 | 222 (25%) | 137 (25%) | |
28–31 | 655 | 412 (47%) | 243 (44%) | |
32–36 | 224 | 110 (12%) | 114 (20%) | |
≥37 | 207 | 143 (16%) | 64 (11%) | |
GA mean ± SD (weeks) | 29.5 ± 3.9 | 29.8 ± 3.9 | 0.051 | |
Birth weight (g) | ||||
≤999 | 504 | 342 (39%) | 162 (29%) | <0.001 |
1,000–1,499 | 632 | 383 (43%) | 249 (45%) | |
1,500–2,499 | 202 | 90 (10%) | 112 (20%) | |
≥2,500 | 107 | 72 (8%) | 35 (6%) | |
Birth weight, mean ± SD | 1,269 ± 639 | 1,344 ± 681 |
SD, standard deviation.