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Table 1 Descriptive statistics (median (IQR)) of baseline characteristics with mortality

From: Trajectories of vital status parameters and risk of mortality among acute organophosphorus poisoning patients – a latent class growth analysis

Basic Characteristics

Alive

Dead

P-value

Linear Classes (3 OR 4 Time Points), N = 449

389

60

 

Quadratic Classes (4 Time Points), N = 424

370

54

 

Sex

 Female (N = 236, %)

206 (87.3)

30 (12.7)

0.669a

 Male (N = 213, %)

183 (85.9)

30 (14.1)

Age (years)

22.0 (18.0–28.0)

28.0 (20.0–37.5)

0.0002b

Elapsed Time (hours)

4.4 (1.7–7.6)

8.5 (6.7–12.1)

<  0.001b

ICU Stay (hours)

111.0 (74.8–228.0)

164.6 (78.0–245.0)

0.445b

Temperature (°F)

98.5 (98.0–99.0)

98.5 (98.0–99.0)

0.333b

SBP (mmHg)

120.0 (100.0–130.0)

115.0 (100.0–140.0)

0.510b

DBP (mmHg)

70.0 (60.0–80.0)

70.0 (60.0–90.0)

0.366b

Heart rate (minutes)

110.0 (90.0–125.0)

111.0 (86.0–134.0)

0.496b

Respiratory rate (minutes)

22.0 (20.0–24.0)

20.0 (18.0–24.0)

0.360b

PO2 (mmHg)

99.0 (98.0–99.0)

99.0 (97.0–99.0)

0.097b

  1. IQR interquartile range (25th–75th percentile), PO2 partial oxygen pressure, achi-square test, bWilcoxon rank sum test, ICU intensive care unit, SBP systolic blood pressure, DBP diastolic blood pressure