项目 | A组 (PLO骨量减少) | B组 (PLO骨质疏松) | C组 (正常骨量) | X2值 | P值* |
ñ | 72 | 8 | 576 | - | - |
年龄(岁) | 29.7 ± 3.5 | 29.4 ± 3.2 | 29.3 ± 3.0 | 0.93/0.09 | 0.92/0.93 |
入组体重(kg) | 57.7 ± 10.7 | 57.6 ± 10.7 | 57.2 ± 11.4 | 0.39/0.11 | 0.69/0.92 |
身高(cm) | 155.9 ± 6.1 | 156.1 ± 5.4 | 156.2 ± 6.4 | 0.38/0.05 | 0.71/0.96 |
体重指数(kg/m2) | 24.3 ± 4.0 | 23.7 ± 4.4 | 23.4 ± 4.1 | 1.80/0.19 | 0.07/0.85 |
产后体重变化1 (kg) | 5.0a (3~5.5) | 4.0a (3~5) | 6.5 (3~7) | 5.99/6.88 | 0.00001/0.00001 |
基础病因素 | 3.66%a (24) | 20%a (7) | 0.30% (2) | 6.61/5.93 | 0.00001/0.0001 |
二胎因素 | 7.5%a (6) | 100%a (8) | 0.34% (2) | 3.94/5.21 | 0.0001/0.00001 |
运动量 < 30 min/d | 100%a (72) | 100%a (8) | 11.11% (6) | 6.42/4.85 | 0.00001/0.00001 |
钙、维生素D摄入不足 | 81%a (58) | 75%a (6) | 80.2% (462) | 0.07/0.34 | 0.94/0.74 |
日光照射 < 30 min/d | 41.2%a (30) | 50%a (4) | 2.4% (14) | 9.30/4.88 | 0.00001/0.00001 |
不良健康习惯 | 11.1%a (8) | 0 | 0 | 2.96/0.00 | 0.003/1.00 |
6个月月经均未复潮 | 41.6a (30) | 100% (8) | 100% (576) | 5.15/- | 0.00001/- |
25OH-D ≤ 30 ng/L | 21.4 ± 2.2 (10 0%) | 18.9 ± 2.0 (10 0%) | - | 3.32 | 0.0009 |
疼痛评分(VAS) | 1.24 ± 0.95a | 1.54 ± 0.65a | 0.24 ± 0.36 | 6.71/5.65 | 0.00001/000001 |
母乳喂养 | 100a (72) | 100 (8) | 30.1a (173) | 4.09/2.52 | 0.0001/0.01 |