Table 5:
Adjusted Cost (US Dollars) Stratified by Gestational Age and Birthweight
| FERTILE (F) |
SUBFERTILE (S) |
ART (A) |
P-value S vs F |
P-value A vs F |
P-value A vs S |
Overall P-value |
|
|---|---|---|---|---|---|---|---|
| Overall | 2,917 (34) | 2,928 (51) |
2,953 (45) | 0.79 | 0.24 | 0.59 | 0.48 |
| Gestational Age | |||||||
| 23–27 wks | 162,581 (13648) |
141,621 (21417) |
140,848 (15686) |
0.28 | 0.089 | 0.97 | 0.16 |
| 28–33 wks | 49,230 (2351) |
46,223 (3834) |
50,245 (3322) |
0.38 | 0.68 | 0.32 | 0.61 |
| 34–36 wks | 7,795 (386) |
7,240 (586) | 7,897 (531) |
0.27 | 0.79 | 0.28 | 0.52 |
| 37–38 wks | 3,120 (75) | 3,140 (113) |
2,702 (87) |
0.82 | <.0001 | <.0001 | <.0001 |
| ≥39 wks | 2,488 (35) | 2,562 (52) |
2,689 (48) | 0.045 | <.0001 | 0.0088 | <.0001 |
| Birthweight | |||||||
| ≤1000 g | 156,002 (12551) |
135,681 (19619) |
143,502 (15570) |
0.26 | 0.33 | 0.70 | 0.38 |
| 1001–1500 g | 63,012 (4995) |
83,450 (12246) |
60,607 (6351) |
0.034 | 0.61 | 0.031 | 0.072 |
| 1501–2500 g | 9,367 (491) |
8,073 (686) | 8,261 (595) |
0.033 | 0.018 | 0.79 | 0.0099 |
| ≥2501 g | 2,622 (31) | 2,622 (45) | 2,734 (42) | 0.99 | <.0001 | 0.01 | 0.0002 |
Least Square Mean (Standard Error) using Gamma Distribution, adjusted for maternal age, race, education, payer (self pay, private, public), pre-existing diabetes and hypertension, parity, gender,gestational age (continuous), birth year, method of delivery, mother’s prolonged stay, gestational diabetes and hypertension.