Table 2 Primary and secondary outcomes of the study: incidence and severity of AKI, incidence of AKD and CKD, and incidence of nausea and vomiting.

From: Proton pump inhibitors may increase the risk of cisplatin-induced acute kidney injury in patients with nasopharyngeal carcinoma: a prospective cohort study

 

Total (n = 295)

PPIs group (n = 145)

Non-PPIs group (n = 150)

P

Primary outcome

 Incidence of AKI, n (%)

40 (13.6)

28 (19.3)

12 (8.0)

0.005

 Severity of AKI, n (%)

   

0.005

  1

38 (12.9)

27 (18.6)

11 (7.3)

 

  2

2 (0.7)

1 (0.7)

1 (0.7)

 

  3

0

0

0

 

Secondary outcome

 Incidence of AKD, n (%)

12 (4.1)

8 (5.5)

4 (2.7)

0.215

 Incidence of CKD, n (%)

7 (2.4)

4 (2.8)

3 (2.0)

0.964

Gastrointestinal toxicity

 Nausea

   

0.029

  Grade 1–2, n (%)

151 (51.2)

66 (45.5)

85 (56.7)

 

  Grade 3–4, n (%)

6 (2.0)

2(1.4)

4 (2.7)

 

Vomiting

   

0.140

  Grade 1–2, n (%)

112 (40.0)

50 (34.5)

62 (41.3)

 

  Grade 3–4, n (%)

6 (2.0)

2 (1.4)

4 (2.7)

 
  1. AKI acute kidney injury, AKD acute kidney disease, CKD chronic kidney disease, PPIs proton pump inhibitors.