Table 2.
Two-sample t-test on the performance of ANC data collection on the key performance indicators for fetal growth assessment before and after midwives' training across urban and rural PHC centres.
| Key performance indicators | Mean percentage of records | Mean difference (before training - after training) |
tstatistics | p-value (2-tailed) |
95% Confidence interval of the difference | ||
|---|---|---|---|---|---|---|---|
| Before training | After training | Lower | Upper | ||||
| Fetal weight estimation | |||||||
|
| |||||||
| Gestational age (GA) (weeks) | 81.4 | 91.9 | -10.5 | -0.9 | 0.379 | -37.6 | 16.6 |
|
| |||||||
| Fundal height (FH) (cm) | 37.1 | 58.5 | -21.4 | -1.2 | 0.304 | -73.4 | 30.5 |
|
| |||||||
| Fetal weight estimation (g) | 13.8 | 45.4 | -31.6 | -2.1 | 0.084 | -68.9 | 5.7 |
|
| |||||||
| Fetal station/descent level (FS) | 19.6 | 54.9 | -35.3 | -2.5 | 0.050∗ | -70.5 | -0.0 |
|
| |||||||
| Fetal growth chart development | |||||||
|
| |||||||
| Maternal age (years) | 91.5 | 100.0 | -8. 5 | -1.3 | 0.274 | -28.7 | 11.7 |
|
| |||||||
| Ethnicity/country of birth | 0.0 | 41.3 | -41.3 | -2.0 | 0.097 | -92.7 | 10.1 |
|
| |||||||
| Pre-pregnancy weight (kg) | 15.6 | 99.5 | -83.9 | -8.3 | 0.004∗ | -115.9 | -51.9 |
|
| |||||||
| Pre-pregnancy height (cm) | 13.9 | 99.5 | -85.5 | -11.5 | 0.001∗ | -103.8 | -67.3 |
|
| |||||||
| Parity | 80.4 | 100.0 | -19.7 | -2. 9 | 0.064 | -41.4 | 2.1 |
|
| |||||||
| Number of abortions | 69.2 | 100.0 | -30.8 | -3.0 | 0.057 | -63.3 | 1.8 |
|
| |||||||
| Number of stillbirths | 0.0 | 100.0 | N/A# | N/A# | N/A# | N/A# | N/A# |
|
| |||||||
| Number of premature births | 0.0 | 100.0 | N/A# | N/A# | N/A# | N/A# | N/A# |
|
| |||||||
| The last menstrual period (LMP) | 42.6 | 100.0 | -57.5 | -5.5 | 0.012∗ | -90.5 | -24.4 |
|
| |||||||
| The estimated delivery date (EDD) | 45.4 | 100.0 | -54.6 | -6.4 | 0.008∗ | -81.6 | -27.6 |
|
| |||||||
| Gestational age (GA) at delivery (weeks) | 22.5 | 100.0 | -77. 5 | -11.1 | 0.002∗ | -99.7 | -55.3 |
|
| |||||||
| Neonatal delivery date | 38.9 | 97.6 | -58.7 | -5.3 | 0.002∗ | -85.9 | -31.5 |
|
| |||||||
| New born gender | 16.6 | 97.7 | -81.2 | -7.8 | 0.004∗ | -113.6 | -48.8 |
|
| |||||||
| Birth weight (g) | 41.0 | 94.8 | -53.8 | -6.1 | 0.001∗ | -75.1 | -32.5 |
|
| |||||||
| Pregnancy outcomes (maternal survival status) |
23.2 | 100.0 | -76.9 | -8.5 | 0.003∗ | -105.7 | -48.0 |
|
| |||||||
| Pregnancy outcomes (neonatal survival status) |
14.5 | 100.0 | -85.5 | -11.3 | 0.001∗ | -104.1 | -67.0 |
|
| |||||||
| Overall average | 33.4 | 89.1 | -55.7 | -12.8 | 0.001 ∗ | -64.3 | -47.1 |
∗The p-value < 0.05 indicates a significant difference
#N/A means not applicable since the standard deviations of both groups are 0.