Severity of functional disability by birthweight group
| <1000 g | 1000–1499 g | 1500–2499 g | ⩾2500 g | 3-150All birthweights | |
|---|---|---|---|---|---|
| Ambulatory disability: | |||||
| None | 5 (5.6%) | 10 (3.7%) | 21 (4.7%) | 64 (7.6%) | 102 (6.2%) |
| Mild | 30 (33.3%) | 97 (36.3%) | 162 (36.6%) | 333 (39.6%) | 624 (37.8%) |
| Moderate | 16 (17.8%) | 64 (24.0%) | 102 (23.0%) | 144 (17.1%) | 327 (19.8%) |
| Severe | 35 (38.8%) | 90 (33.7%) | 147 (33.2%) | 275 (32.7%) | 550 (33.4%) |
| Not known | 4 (4.4%) | 6 (2.2%) | 11 (2.5%) | 24 (2.9%) | 46 (2.8%) |
| Total | 90 (100%) | 267 (100%) | 443 (100%) | 840 (100%) | 1649 (100%) |
| Manual disability: | |||||
| None | 15 (16.7%) | 49 (18.4%) | 78 (17.6%) | 83 (9.9%) | 226 (13.7%) |
| Mild | 30 (33.3%) | 94 (35.2%) | 150 (33.9%) | 317 (37.7%) | 593 (36.0%) |
| Moderate | 22 (24.4%) | 70 (26.2%) | 102 (23.0%) | 187 (22.3%) | 385 (23.3%) |
| Severe | 19 (21.1%) | 46 (17.2%) | 98 (22.1%) | 226 (26.9%) | 390 (23.7%) |
| Not known | 4 (4.4%) | 8 (3.0%) | 15 (3.4%) | 27 (3.2%) | 55 (3.3%) |
| Total | 90 (100%) | 267 (100%) | 443 (100%) | 840 (100%) | 1649 (100%) |
| Learning disability: | |||||
| None/mild | 45 (50.0%) | 157 (58.8%) | 223 (50.3%) | 413 (49.2%) | 839 (50.9%) |
| Moderate | 16 (17.8%) | 43 (16.1%) | 72 (16.3%) | 148 (17.6%) | 283 (17.2%) |
| Severe | 18 (20.0%) | 38 (14.2%) | 81 (18.3%) | 241 (28.7%) | 381 (23.1%) |
| Not known | 11 (12.2%) | 29 (10.9%) | 67 (15.1%) | 38 (4.5%) | 146 (8.9%) |
| Total | 90 (100%) | 267 (100%) | 443 (100%) | 840 (100%) | 1649 (100%) |
| Hearing disability: | |||||
| None/mild | 71 (78.9%) | 245 (91.8%) | 408 (92.1%) | 789 (93.9%) | 1520 (92.2%) |
| Moderate | 5 (5.6%) | 3 (1.1%) | 3 (0.7%) | 5 (0.6%) | 16 (1.0%) |
| Severe | 9 (10.0%) | 5 (1.9%) | 5 (1.1%) | 12 (1.4%) | 31 (1.9%) |
| Not known | 5 (5.6%) | 14 (5.2%) | 27 (6.1%) | 34 (4.0%) | 82 (5.0%) |
| Total | 90 (100%) | 267 (100%) | 443 (100%) | 840 (100%) | 1649 (100%) |
| Visual disability: | |||||
| None/mild | 56 (62.2%) | 193 (72.3%) | 293 (66.1%) | 598 (71.2%) | 1145 (69.4%) |
| Moderate | 14 (15.6%) | 41 (15.4%) | 80 (18.1%) | 106 (12.6%) | 241 (14.6%) |
| Severe | 14 (15.6%) | 16 (6.0%) | 38 (8.6%) | 77 (9.2%) | 146 (8.9%) |
| Not known | 6 (6.7%) | 17 (6.4%) | 32 (7.2%) | 59 (7.0%) | 117 (7.1%) |
| Total | 90 (100%) | 267 (100%) | 443 (100%) | 840 (100%) | 1649 (100%) |
↵3-150 Includes nine cases in whom the birthweight was not recorded