Skip to main content

Table 1 Participants’ demographic and clinical characteristics and their relationships with ROSC and CPR–discharge survival

From: The outcomes of cardiopulmonary resuscitation and their predictors during the coronavirus 2019 pandemic in Iran

Characteristics\CPR outcomes

Total N (%)

ROSC

P valuea

CPR–discharge survival

P valuea

No

Yes

No

Yes

Gender

Female

450 (35.91)

381 (84.67)

69 (15.33)

0.994

438 (97.33)

12 (2.67)

0.087*

Male

803 (64.09)

680 (84.68)

123 (15.32)

768 (95.64)

35 (4.36)

Age (Years)

16–24

40 (3.19)

33 (82.5)

7 (17.5)

< 0.001*

35 (87.5)

5 (12.5)

0.013*

25–44

133 (10.61)

98 (73.68)

35 (26.32)

122 (91.73)

11 (8.27)

45–64

373 (29.76)

308 (82.57)

65 (17.43)

358 (95.98)

15 (4.02)

> 65

707 (56.42)

622 (87.98)

85 (12.02)

691 (97.74)

16 (2.26)

Cause of cardiac arrest

COVID-19

487)40.35)

443 (90.96)

44 (9.04)

N/Ab

477 (97.95)

10 (2.05)

0.001*

COVID-19 and poisoning

4 (0.33)

4 (100)

0 (0)

4 (100)

0 (0)

Poisoning

59 (4.89)

39 (66.10)

20 (33.90)

49 (83.05)

10 (16.95)

Myocardial infarction

262 (21.70)

209 (79.77)

53 (20.23)

246 (93.89)

16 (6.11)

Cerebrovascular accident

62 (5.14)

54 (87.10)

8 (12.90)

62 (100)

0 (0)

Internal diseases

182 (15.08)

145 (79.67)

37 (20.33)

63 (100)

0 (0)

Sepsis

63 (5.22)

60 (95.24)

3 (4.76)

180 (98.90)

2 (1.10)

Surgical complications

25 (2.07)

17 (68)

8 (32)

24 (96)

1 (4)

Multiple trauma

42 (3.48)

29 (69.05)

13 (30.95)

35 (83.33)

7 (16.67)

Other

21 (1.74)

18 (85.71)

3 (14.29)

20 (95.24)

1 (4.76)

COVID-19 Affliction

Yes

491 (40.68)

447 (91.04)

44 (8.96)

< 0.001*

481 (97.96)

10 (2.04)

0.708

No

716 (59.32)

571 (79.75)

145 (20.25)

679 (94.83)

37 (5.17)

Underlying disease

Yes

749 (65)

643 (85.85)

106 (14.15)

0.012*

728 (97.19)

21 (2.81)

0.073*

No

403 (35)

323 (80.15)

80 (19.85)

378 (93.80)

25 (6.20)

Type of cardiac arrest

In-hospital

986 (78.69)

830 (84.18)

156 (15.82)

0.347

948 (96.15)

38 (3.85)

0.936

Out-of-hospital

267 (21.31)

231 (86.52)

36 (13.48)

258 (96.63)

9 (3.37)

Baseline rhythm

Ventricular tachycardia

16 (1.3)

7 (43.75)

9 (56.25)

< 0.001*

12 (75)

4 (25)

0.006*

Ventricular fibrillation

40 (3.2)

28 (70)

12 (30)

36 (90)

4 (10)

Asystole

961 (76.9)

816 (84.91)

145 (15.09)

934 (97.19)

27 (2.81)

Bradycardia

219 (17.50)

194 (88.58)

25 (11.42)

207 (94.52)

12 (5.48)

Pulseless electrical activity

13 (1)

12 (92.31)

1 (7.69)

13 (100)

0 (0)

CPR time

08:00–14:00

307 (24.50)

255 (83.06)

52 (16.94)

0.117

296 (96.42)

11 (3.58)

0.178

14:01–20:00

383 (30.57)

325 (84.86)

58 (15.14)

363 (94.78)

20 (5.22)

20:01–24:00

224 (17.88)

182 (81.25)

42 (18.75)

217 (96.88)

7 (3.12)

00:01–07:59

339 (27.06)

299 (88.20)

40 (11.80)

330 (97.35)

9 (2.65)

Airway management technique

Endotracheal tube

1240 (99.1)

1050 (84.68)

190 (15.32)

0.390

1193 (96.21)

47 (3.79)

1.000

Tracheostomy

2 (0.2)

1 (50)

1 (50)

2 (100)

0 (0)

Face mask

9 (0.7)

8 (88.89)

1 (11.11)

9 (100)

0 (0)

Epinephrine delay

Yes

293 (23.52)

262 (89.42)

31 (10.58)

0.009*

286 (97.61)

7 (2.39)

0.788

No

953 (76.48)

792 (83.11)

161 (16.89)

913 (95.80)

40 (4.20)

Epinephrine administration Intervals

< 3 min

120 (9.72)

71 (59.17)

49 (40.83)

< 0.001*

103 (85.83)

17 (14.17)

0.110

3–5 min

381 (30.85)

281 (73.75)

100 (26.25)

362 (95.01)

19 (4.99)

> 5 min

734 (59.43)

691 (94.14)

43 (5.86)

723 (98.50)

11 (1.50)

Level of consciousness at hospital admission

Conscious

354 (29.26)

294 (83.05)

60 (16.95)

0.711

341 (96.33)

13 (3.67)

0.057*

Verbal response

228 (18.84)

194 (85.9)

34 (14.91)

223 (97.81)

5 (2.19)

Responsive to painful stimulation

253 (20.91)

211 (83.40)

42 (16.60)

236 (93.28)

17 (6.72)

Unresponsive

375 (30.99)

322 (85.87)

53 (14.13)

364 (97.07)

11 (2.93)

Type of underlying disease

1. Hypertension

91 (12.15)

77 (84.62)

14 (15.38)

N/Ab

87 (95.60)

4 (4.40)

0.456

2. Diabetes mellitus

75 (10.01)

66 (88)

9 (12)

74 (98.67)

1 (1.33)

3. Cancer

140 (18.69)

115 (82.15)

25 (17.85)

138 (98.57)

2 (1.43)

4. Ischemic heart disease

72 (9.61)

64 (88.89)

8 (11.11)

70 (97.22)

2 (2.78)

5. 1, 2, and hyperlipidemia

44 (5.87)

38 (86.36)

6 (13.64)

42 (95.45)

2 (4.55)

6. 1, 2, and 3

4 (0.53)

2 (50)

2 (50)

4 (100)

0 (0)

7. 1, 2, and 4

52 (6.94)

43 (82.69)

9 (17.31)

51 (98.08)

1 (1.92)

8. 1 and 4

65 (8.68)

54 (83.08)

11 (16.92)

60 (92.31)

5 (7.69)

9. Chronic renal failure and organ transplantation

69 (9.21)

57 (82.61)

12 (17.39)

66 (95.65)

3 (4.35)

10. Cerebrovascular accident

24 (3.20)

21 (87.50)

3 (12.50)

24 (100)

0 (0)

11. Chronic obstructive pulmonary disease

29 (3.87)

27 (93.10)

2 (6.90)

29 (100)

0 (0)

Other

84 (11.21)

79 (94.04)

5 (5.95)

83 (98.81)

1 (1.19)

  1. a: The results of the Chi-square or Fisher’s exact test; b: Could not be computed