Table 1. Distribution of Average Change in Different Parameters Between Baseline and 6 Months With Respect to Change in Severity of PAH.
| Parameters | N | Status | Mean rank | Mean | Standard deviation | Chi-square | df | P |
|---|---|---|---|---|---|---|---|---|
| SpO2 | 21 | No change: 11 | 10.14 | 0.52 | 1.53 | 3.804 | 2 | 0.149 |
| Improved: 7 | 12.79 | |||||||
| Worsened: 3 | 4.50 | |||||||
| 6MWD | 21 | No change: 11 | 11.23 | -9.00 | 29.55 | 2.514 | 2 | 0.284 |
| Improved: 7 | 8.07 | |||||||
| Worsened: 3 | 15.00 | |||||||
| RA area | 21 | No change: 11 | 11.18 | 0.08 | 3.70 | 0.457 | 2 | 0.796 |
| Improved: 7 | 9.29 | |||||||
| Worsened: 3 | 11.00 | |||||||
| RA pressure | 21 | No change: 11 | 10.18 | -0.52 | 2.44 | 0.124 | 2 | 0.940 |
| Improved: 7 | 10.86 | |||||||
| Worsened: 3 | 11.00 | |||||||
| RV E/A | 21 | No change: 11 | 9.64 | -0.02 | 0.22 | 0.589 | 2 | 0.745 |
| Improved: 7 | 11.29 | |||||||
| Worsened: 3 | 12.50 | |||||||
| RV basal diameter | 21 | No change: 11 | 10.32 | -0.66 | 1.21 | 1.121 | 2 | 0.571 |
| Improved: 7 | 9.64 | |||||||
| Worsened: 3 | 14.50 | |||||||
| RV long diameter | 21 | No change: 11 | 7.91 | -0.50 | 0.82 | 5.137 | 2 | 0.077 |
| Improved: 7 | 13.57 | |||||||
| Worsened: 3 | 14.00 | |||||||
| FAC | 21 | No change:11 | 10.73 | -2.15 | 1.47 | 5.097 | 2 | 0.078 |
| Improved: 7 | 7.86 | |||||||
| Worsened: 3 | 18.50 | |||||||
| TAPSE | 21 | No change: 11 | 10.27 | -0.96 | 1.70 | 2.682 | 2 | 0.262 |
| Improved: 7 | 9.14 | |||||||
| Worsened: 3 | 16.50 | |||||||
| RIMP | 21 | No change: 11 | 10.00 | -4.48 | 3.19 | 5.369 | 2 | 0.068 |
| Improved: 7 | 8.71 | |||||||
| Worsened: 3 | 19.50 | |||||||
| RVLS | 21 | No change: 11 | 10.14 | 1.38 | 1.27 | 6.002 | 2 | 0.050 |
| Improved: 7 | 13.50 | |||||||
| Worsened: 3 | 2.00 |
The average change in no parameter achieved significance level with change in severity of PAH at 6 months with comparison to baseline. Out of 22 patients, one is yet to come for follow-up at 6 months.