Table 5 Factors associated with postoperative headache from April 9 to June 20, 2022(N = 420)

Anesthesia

GA

145(61.2%)

92(38.8%)

2.0(1.3–2.8)

1.96(1.25–3.18)

0.003

RA

83(45.4%)

100(54.6%)

1*

1

Caffeine

Yes

126(65.6%)

66(34.4%)

2.4(1.6–3.5)

1.60(1.03–2.54)

0.041

No

102(44.7%)

126(55.3%)

1*

1

Hypotension

Yes

81(68.6%)

37(31.4%)

2.3(1.5–3.6)

1.74(1.06–2.88)

0.028

No

147(48.7%)

155(51.3%)

1*

1

Hypertension

Yes

32(74.4%)

11(25.6%)

2.7(1.3–5.5)

1.59(0.71–3.56)

0.257

No

196(52%)

181(48%)

1*

1

fasting ≥ 16 h

Yes

109(68.6%)

50(31.4%)

2.4(1.6–3.5)

2.28(1.45–3.60)

< 0.001

No

119(45.6%

142(54.4%)

1*

1

Gender

Female

123(65.8%)

64(34.2%)

2.3(1.6–3.5)

1.62(1.03–2.54)

0.037

Male

105(45.1%)

128(54.9%)

1*

1

Headache.hx

Yes

73(85.9%)

12(14.1%)

7.1(3.7–13.4)

4.84(2.40–9.74)

< 0.001

No

155(46.3%)

180(53.7%)

1*

1

Family HX

Yes

55(69.6%)

24(30.4%)

2.2(1.3–3.7)

1.79(0.98–3.24)

0.057

No

173(50.7%)

168(49.3%)

1*

1