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Table 1 General characteristics of MPP children

From: The correlation between vitamin a status and refractory Mycoplasma Pneumoniae pneumonia (RMPP) incidence in children

General characteristics GMPP (n = 152) RMPP (n = 29) P
Age (month), Median (IQR) 46.00 (26.25–72.25) 55.00 (37.00–83.00) 0.062
Male/Female 82/70 18/11 0.422
BMI (kg/m2), Median (IQR) 16.44 (15.08–17.78) 15.92 (14.58–16.40) 0.168
Extrapulmonary manifestations (n, %) 22 (14.47%) 17 (58.62%) < 0.001*
Oxygenation (n, %)a 69 (45.39%) 29 (100.00%) < 0.001*
Fever duration (day), Median (IQR) 5.00 (2.00–8.00) 10.00 (9.00–13.00) < 0.001*
CRP (mg/L), Median (IQR)b 0 (0.00–11.00) 20.00 (0.00–32.50) < 0.001*
PCT (mg/L), Median (IQR) 0.074 (0.043–0.132) 0.188 (0.105–0.716) < 0.001*
Prealbumin (g/L), Median (IQR) 115.00 (97.00–151.00) 82.00 (68.00–100.00) < 0.001*
LDH (U/L), Median (IQR) 331.50 (288.00–381.25) 388.00 (298.50–480.80) 0.017*
LOS (day), Median (IQR) 6.00 (5.00–7.75) 9.00 (7.50–10.00) < 0.001*
VAD (n, %) 40 (31.75%) 11 (68.75%) 0.004*
  1. * showed difference between RMPP and GMPP groups (P < 0.05)
  2. a including nasal oxygen breath and Continuous Positive Airway Pressure (CPAP)
  3. b CRP values under minimum threshold of measurement (8 mg/L) were taken as 0 mg/L