TABLE 3.
Distribution of cerebral palsy subtypes, motor function levels and associated impairments among children born in Norway from 2002 to 2015 after assisted reproductive technology and natural conception.
| CP after ART N (%) | CP after natural conception N (%) | ||
|---|---|---|---|
| 97 (100) | 1556 (100) | p value | |
| CP subtype | 0.202 | ||
| Spastic unilateral | 32 (33.0) | 696 (44.7) | |
| Spastic bilateral | 51 (52.6) | 676 (43.4) | |
| Dyskinetic | 6 (6.2) | 100 (6.4) | |
| Ataxic | 6 (6.2) | 61 (3.9) | |
| Mixed/unspecified | 2 (2.1) | 23 (1.5) | |
| GMFCS | 0.480 | ||
| I | 45 (49.5) | 846 (55.4) | |
| II | 16 (17.6) | 238 (15.6) | |
| III | 8 (8.8) | 103 (6.7) | |
| IV | 10 (11.0) | 133 (8.7) | |
| V | 12 (13.2) | 208 (13.6) | |
| Total | 91 (100) | 1528 (100) | |
| Missing* | 6 (6.2) | 28 (1.8) | |
| MACS | 0.852 | ||
| I | 41 (45.6) | 616 (42.3) | |
| II | 16 (17.8) | 411 (28.2) | |
| III | 19 (21.1) | 160 (11.0) | |
| IV | 2 (2.2) | 97 (6.7) | |
| V | 12 (13.3) | 171 (11.8) | |
| Total | 90 (100) | 1455 (100) | |
| Missing* | 7 (7.2) | 101 (6.5) | |
| Epilepsy | 0.368 | ||
| Yes | 23 (25.3) | 429 (29.7) | |
| No | 68 (74.7) | 1015 (70.3) | |
| Total | 91 (100) | 1444 (100) | |
| Missing* | 6 (6.2) | 112 (7.2) | |
| Gastrostomy | 0.472 | ||
| Yes | 14 (15.7) | 187 (13.1) | |
| No | 75 (84.3) | 1244 (86.9) | |
| Total | 89 (100) | 1431 (100) | |
| Missing* | 8 (8.3) | 125 (8.0) | |
| Severe visual impairment | 0.452 | ||
| Yes | 4 (4.9) | 84 (6.0) | |
| No | 78 (95.1) | 1311 (94.0) | |
| Total | 82 (100) | 1395 (100) | |
| Missing* | 15 (15.5) | 161 (10.4) | |
| Severe hearing impairment | 0.302 | ||
| Yes | 3 (3.5) | 31 (2.2) | |
| No | 82 (96.5) | 1385 (97.8) | |
| Total | 85 (100) | 1416 (100) | |
| Missing* | 12 (12.4) | 140 (9.0) | |
| Viking speech scale | 0.532 | ||
| I | 43 (47.8) | 772 (54.2) | |
| II | 18 (20.0) | 227 (15.9) | |
| III | 14 (15.6) | 175 (12.3) | |
| IV | 15 (16.7) | 250 (17.6) | |
| Total | 90 (100) | 1424 (100) | |
| Missing* | 7 (7.2) | 132 (8.5) | |
| Cognitive function | 0.073 | ||
| Normal | 52 (61.2) | 687 (56.1) | |
| Learning disorder | 12 (14.1) | 176 (14.4) | |
| Intellectual impairment | 11 (12.9) | 281 (22.9) | |
| Not testable | 10 (11.8) | 81 (6.6) | |
| Total | 85 (100) | 1225 (100) | |
| Unable to determine from test | 0 (0) | 65 (4.2) | |
| Missing* | 12 (12.4) | 266 (17.1) |
Abbreviation: ART, assisted reproductive technology; CP, cerebral palsy; GMFCS, Gross Motor Function Classification System; MACS, Manual Ability Classification System.
*
Percent of total number.