The Journal of Practical Medicine ›› 2026, Vol. 42 ›› Issue (5): 869-877.doi: 10.3969/j.issn.1006-5725.2026.05.019
• Treatise: Clinical Practice • Previous Articles
Neng HU1,Jianghua SHEN1,Mei YAO2,Xinqian ZHAO1(
)
Received:2025-09-30
Online:2026-03-10
Published:2026-03-09
Contact:
Xinqian ZHAO
E-mail:1807615333@163.com
CLC Number:
Neng HU,Jianghua SHEN,Mei YAO,Xinqian ZHAO. The assessment value of nomogram prediction model based on lung ultrasound and clinical indicators for children with severe mycoplasma pneumoniae pneumoniae prognosis[J]. The Journal of Practical Medicine, 2026, 42(5): 869-877.
Tab.1
Comparison of clinical data between training set and test set"
| 项目 | 训练集(n = 368) | 测试集(n = 159) | t/χ2/Z值 | P值 |
|---|---|---|---|---|
| 年龄(x ± s)/岁 | 7.38 ± 4.02 | 7.31 ± 4.26 | -0.186 | 0.852 |
| 性别/[例(%)] | 1.492 | 0.222 | ||
| 男 | 194(52.72) | 93(58.49) | ||
| 女 | 174(47.28) | 66(41.51) | ||
| 入院前发烧持续时间/d | 6.00(3.00,8.00) | 6.00(3.00,8.00) | -0.246 | 0.806 |
| 治疗时发烧持续时间/d | 5.00(3.00,6.00) | 5.00(3.00,7.00) | -0.480 | 0.631 |
| 咳嗽/[例(%)] | 334(90.76) | 147(92.45) | 0.399 | 0.528 |
| 高热/[例(%)] | 273(74.18) | 114(71.70) | 0.352 | 0.553 |
| 腹痛/胸痛/[例(%)] | 47(12.77) | 24(15.09) | 0.514 | 0.474 |
| WBC计数/(× 109/L) | 7.74(4.88,9.99) | 7.66(5.31,10.79) | -1.318 | 0.187 |
| 中性粒细胞绝对值/(× 109/L) | 5.32(4.58,6.12) | 5.52(4.60,6.07) | -0.335 | 0.738 |
| 单核细胞数/(× 109/L) | 0.97(0.59,1.42) | 1.06(0.67,1.38) | -0.754 | 0.451 |
| CRP/(mg/L) | 20.51(12.74,28.10) | 21.52(13.79,26.71) | -0.304 | 0.761 |
| ALT/(U/L) | 24.23(17.08,30.15) | 22.08(16.52,28.39) | -1.378 | 0.168 |
| PCT/(ng/mL) | 0.46(0.29,0.65) | 0.47(0.27,0.66) | -0.239 | 0.811 |
| D-二聚体/(μg/mL) | 1.56(0.96,2.10) | 1.61(0.97,2.16) | -0.089 | 0.929 |
| LDH/(U/L) | 300.07(262.48,337.92) | 308.14(263.95,352.61) | -1.335 | 0.182 |
| IL-6/(pg/mL) | 219.23(197.57,242.41) | 222.36(199.06,241.23) | -0.494 | 0.621 |
| B线/[例(%)] | - | 0.438 | ||
| 散在的B线 | 6(1.63) | 4(2.52) | ||
| 密集的B线 | 354(96.20) | 149(93.71) | ||
| 融合的B线 | 8(2.17) | 6(3.77) | ||
| 肺实变 | ||||
| 最大直径/cm | 5.11(3.17,7.31) | 4.86(2.66,7.28) | -0.692 | 0.489 |
| 实变大小/BSA | 6.13(3.85,8.47) | 6.37(3.50,8.23) | -0.041 | 0.967 |
| 单侧实变/[例(%)] | 315(85.60) | 145(91.19) | 3.134 | 0.077 |
| 支气管造影/[例(%)] | ||||
| 空气 | 341(92.66) | 146(91.82) | 0.111 | 0.738 |
| 液体 | 14(3.80) | 7(4.40) | 0.104 | 0.747 |
| CDFI | 351(95.38) | 150(94.34) | 0.256 | 0.613 |
| 胸腔积液 | 130(35.33) | 55(34.59) | 0.026 | 0.871 |
Tab.2
Comparison of clinical data between good prognosis and poor prognosis groups after training set"
| 项目 | 预后良好组(n = 315) | 预后不良组(n = 53) | t/χ2/Z值 | P值 |
|---|---|---|---|---|
| 年龄(x ± s)/岁 | 7.49 ± 4.04 | 6.75 ± 3.88 | 1.226 | 0.221 |
| 性别/[例(%)] | 3.120 | 0.077 | ||
| 男 | 172(54.60) | 22(41.51) | ||
| 女 | 143(45.40) | 31(58.49) | ||
| 入院前发烧持续时间/d | 6.00(3.00,8.00) | 5.000(3.00,8.00) | -0.812 | 0.417 |
| 治疗时发烧持续时间/d | 4.00(3.00,6.00) | 9.000(6.00,11.00) | -8.225 | < 0.001 |
| 咳嗽/[例(%)] | 284(90.16) | 50(94.34) | 0.513 | 0.474 |
| 高热/[例(%)] | 225(71.43) | 48(90.57) | 8.676 | 0.003 |
| 腹痛/胸痛/[例(%)] | 38(12.06) | 9(16.98) | 0.985 | 0.321 |
| WBC计数/(×109/L) | 7.63(4.68,9.83) | 8.44(5.92,12.59) | -2.748 | 0.006 |
| 中性粒细胞绝对值/(×109/L) | 5.15(4.46,5.96) | 6.20(5.56,6.67) | -6.092 | < 0.001 |
| 单核细胞数/(×109/L) | 0.96(0.60,1.42) | 1.03(0.47,1.44) | -0.411 | 0.681 |
| CRP/(mg/L) | 20.78(13.27,28.15) | 15.91(10.18,27.51) | -1.657 | 0.097 |
| ALT/(U/L) | 24.01(16.90,30.25) | 25.39(17.83,29.26) | -0.531 | 0.595 |
| PCT/(ng/mL) | 0.45(0.28,0.64) | 0.47(0.33,0.68) | -1.355 | 0.175 |
| D-二聚体/(μg/mL) | 1.43(0.90,2.02) | 2.63(1.61,3.55) | -6.679 | < 0.001 |
| LDH/(U/L) | 287.73(257.80,329.18) | 384.00(326.19,457.22) | -8.285 | < 0.001 |
| IL-6/(pg/mL) | 219.53(197.26,243.07) | 217.89(198.70,240.29) | -0.375 | 0.707 |
| B线/[例(%)] | - | 1.000 | ||
| 散在的B线 | 5(1.59) | 1(1.89) | ||
| 密集的B线 | 303(96.19) | 51(96.22) | ||
| 融合的B线 | 7(2.22) | 1(1.89) | ||
| 肺实变 | ||||
| 最大直径/cm | 5.03(3.13,7.36) | 5.68(3.60,7.07) | -0.301 | 0.764 |
| 实变大小/BSA | 5.83(3.70,8.11) | 8.33(5.99,9.84) | -4.268 | < 0.001 |
| 单侧实变/[例(%)] | 268(85.08) | 47(88.68) | 0.477 | 0.490 |
| 支气管造影/[例(%)] | ||||
| 空气 | 301(95.56) | 40(75.47) | 24.043 | < 0.001 |
| 液体 | 6(1.90) | 8(15.09) | 18.112 | < 0.001 |
| CDFI | 299(94.39) | 51(96.23) | - | 0.749 |
| 胸腔积液 | 97(30.79) | 33(62.26) | 19.666 | < 0.001 |
Tab.3
Single-factor and multivariate logistic regression analysis of adverse prognostic factors in children with SMPP"
| 变量 | 单因素 | 多因素 | ||
|---|---|---|---|---|
| P值 | OR(95%CI) | P值 | OR(95%CI) | |
| 治疗时发烧持续时间 | < 0.001 | 1.71(1.49 ~ 1.96) | 0.008 | 1.26(1.06 ~ 1.49) |
| 高热 | 0.006 | 3.84(1.48 ~ 9.96) | 0.480 | 1.55(0.46 ~ 5.22) |
| WBC计数 | < 0.001 | 1.17(1.07 ~ 1.28) | 0.190 | 1.10(0.95 ~ 1.28) |
| 中性粒细胞绝对值 | < 0.001 | 3.51(2.30 ~ 5.36) | 0.008 | 2.19(1.22 ~ 3.91) |
| DD二聚体 | < 0.001 | 4.43(2.94 ~ 6.68) | 0.007 | 2.01(1.21 ~ 3.33) |
| LDH | < 0.001 | 1.03(1.02 ~ 1.04) | < 0.001 | 1.02(1.01 ~ 1.03) |
| 实变大小/BSA | < 0.001 | 1.30(1.15 ~ 1.47) | 0.180 | 0.87(0.72 ~ 1.06) |
| 支气管造影-空气 | < 0.001 | 0.14(0.06 ~ 0.33) | 0.310 | 0.49(0.12 ~ 1.93) |
| 支气管造影-液体 | < 0.001 | 9.16(3.04 ~ 27.61) | 0.600 | 0.60(0.09 ~ 4.18) |
| 胸腔积液 | < 0.001 | 3.71(2.03 ~ 6.79) | 0.040 | 2.70(1.05 ~ 6.918) |
| 常量 | - | - | < 0.001 | - |
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